Should Christians Judge Others? | 1 Corinthians 5:9-13
“For what have I to do with judging those also who are outside? Do you not judge those who are inside? But those who are outside God judges.”
(1 Corinthians 5:12–13)
“Christians aren’t supposed to judge.”
It is one of the most common objections raised whenever believers speak about sin. Sometimes the criticism is deserved. Christians can be harsh, self-righteous, and more interested in condemning people than leading them to Christ. But does the Bible actually teach that Christians must never make moral judgments?
First Corinthians 5 gives us a more careful answer. Paul teaches that the church should not demand Christian behavior from people who do not know Christ. At the same time, believers have a responsibility to practice discernment and loving accountability within the church.
The Christian calling is neither isolation from the world nor conformity to it. We are called to be set apart for Christ while living faithfully among the people He wants us to reach.
It is one of the most common objections raised whenever believers speak about sin. Sometimes the criticism is deserved. Christians can be harsh, self-righteous, and more interested in condemning people than leading them to Christ. But does the Bible actually teach that Christians must never make moral judgments?
First Corinthians 5 gives us a more careful answer. Paul teaches that the church should not demand Christian behavior from people who do not know Christ. At the same time, believers have a responsibility to practice discernment and loving accountability within the church.
The Christian calling is neither isolation from the world nor conformity to it. We are called to be set apart for Christ while living faithfully among the people He wants us to reach.
The Church Must Be Different from the World
The church in Corinth was facing a serious problem. A man who professed to be a Christian was involved in an openly immoral sexual relationship, yet the congregation had refused to address it. Instead of mourning over the sin, they had become “puffed up” (1 Corinthians 5:2). They may have considered their refusal to confront him an expression of love, tolerance, or spiritual maturity.
Paul saw it differently.
Their acceptance was not helping the man, and it was not protecting the church. Sin that is celebrated or ignored does not remain isolated. Paul compares it to leaven spreading through a lump of dough: “A little leaven leavens the whole lump” (1 Corinthians 5:6).
The church is not a gathering of people who have never sinned. Paul makes that unmistakably clear in the following chapter. After listing several patterns of unrighteous living, he tells the Corinthians:
Paul saw it differently.
Their acceptance was not helping the man, and it was not protecting the church. Sin that is celebrated or ignored does not remain isolated. Paul compares it to leaven spreading through a lump of dough: “A little leaven leavens the whole lump” (1 Corinthians 5:6).
The church is not a gathering of people who have never sinned. Paul makes that unmistakably clear in the following chapter. After listing several patterns of unrighteous living, he tells the Corinthians:
“And such were some of you. But you were washed, but you were sanctified, but you were justified in the name of the Lord Jesus and by the Spirit of our God.” (1 Corinthians 6:11)
The church is made up of people who have been rescued from sin by Jesus. We do not look down on sinners because we remember what we were, and what we would still be without God’s grace. But that same grace which forgives us also begins to change us. Christ does not save us so that we can comfortably remain under sin’s control. He washes us, sets us apart, and gives us a new identity.
The issue in Corinth was not that a believer had stumbled and needed help. The issue was that someone claiming the name of Christ was openly continuing in serious sin without repentance, while the church treated it as acceptable.
The issue in Corinth was not that a believer had stumbled and needed help. The issue was that someone claiming the name of Christ was openly continuing in serious sin without repentance, while the church treated it as acceptable.
Did Paul Tell Christians to Avoid Unbelievers?
Paul writes:
“I wrote to you in my epistle not to keep company with sexually immoral people. Yet I certainly did not mean with the sexually immoral people of this world…since then you would need to go out of the world.”
(1 Corinthians 5:9–10)
The Corinthians had apparently misunderstood Paul’s earlier instruction. They may have thought holiness required complete separation from sinful people outside the church. Paul corrects them: that would require leaving the world entirely.
Christians are not called to build isolated communities where they never interact with unbelievers. Jesus ate with tax collectors and sinners. He entered people’s homes, listened to them, answered their questions, and showed them compassion. He was close enough to be called “a friend of tax collectors and sinners” (Matthew 11:19), yet He never participated in their sin or softened the truth.
That is our pattern. We can work beside unbelievers, share meals with them, attend their celebrations, build genuine friendships, and welcome them into our lives. If we avoid everyone who does not share Christian convictions, how will they see the love of Christ or hear the gospel?
Paul later asks:
Christians are not called to build isolated communities where they never interact with unbelievers. Jesus ate with tax collectors and sinners. He entered people’s homes, listened to them, answered their questions, and showed them compassion. He was close enough to be called “a friend of tax collectors and sinners” (Matthew 11:19), yet He never participated in their sin or softened the truth.
That is our pattern. We can work beside unbelievers, share meals with them, attend their celebrations, build genuine friendships, and welcome them into our lives. If we avoid everyone who does not share Christian convictions, how will they see the love of Christ or hear the gospel?
Paul later asks:
“How shall they believe in Him of whom they have not heard? And how shall they hear without a preacher?” (Romans 10:14)
Someone must go. Someone must speak. Someone must live close enough for the world to see the difference Jesus makes.
In the World, but Not of the World
“I do not pray that You should take them out of the world, but that You should keep them from the evil one. They are not of the world, just as I am not of the world. Sanctify them by Your truth. Your word is truth.”
(John 17:15–17)
Jesus did not ask the Father to remove His followers from the world. He asked the Father to protect and sanctify them while they remained in it.
Oil and water offer a helpful picture. They can occupy the same container while remaining distinct. In a similar way, Christians live among people whose beliefs and lifestyles differ from ours while maintaining our identity in Christ. The danger comes when continual pressure begins to blur the distinction; when the world shapes our convictions more than Scripture does.
We should therefore ask ourselves two questions:
1. Am I close enough to unbelievers to demonstrate and share the gospel?
2. Am I rooted deeply enough in Christ to remain faithful while doing so?
Separation without mission becomes isolation. Engagement without holiness becomes compromise. Jesus calls us to something better: faithful presence.
Oil and water offer a helpful picture. They can occupy the same container while remaining distinct. In a similar way, Christians live among people whose beliefs and lifestyles differ from ours while maintaining our identity in Christ. The danger comes when continual pressure begins to blur the distinction; when the world shapes our convictions more than Scripture does.
We should therefore ask ourselves two questions:
1. Am I close enough to unbelievers to demonstrate and share the gospel?
2. Am I rooted deeply enough in Christ to remain faithful while doing so?
Separation without mission becomes isolation. Engagement without holiness becomes compromise. Jesus calls us to something better: faithful presence.
Whom Are Christians Supposed to Judge?
Paul draws a clear boundary:
“For what have I to do with judging those also who are outside? Do you not judge those who are inside?” (1 Corinthians 5:12)
The church is not responsible for policing the behavior of people who do not profess to follow Jesus. Unbelievers need the gospel before they need Christian ethics. We should not be surprised when people who do not know Christ live according to the values of the world.
Our responsibility toward them is to speak truth with grace, demonstrate Christ’s love, and call them to repentance and faith. God is their final Judge.
Within the church, however, believers do have a responsibility to exercise discernment. This is not permission to become suspicious, controlling, or obsessed with everyone else’s faults. Jesus condemned hypocritical judgment, the person who fixates on a speck in someone else’s eye while ignoring the plank in his own (Matthew 7:1–5). Yet after calling us to examine ourselves, Jesus still tells us to help remove the speck. The answer to hypocritical judgment is not the abandonment of discernment but humble, self-examined correction.
Biblical judgment asks whether a professing believer’s conduct agrees with the faith he or she claims. It is exercised under Scripture, with humility, and for the good of the person and the church.
Our responsibility toward them is to speak truth with grace, demonstrate Christ’s love, and call them to repentance and faith. God is their final Judge.
Within the church, however, believers do have a responsibility to exercise discernment. This is not permission to become suspicious, controlling, or obsessed with everyone else’s faults. Jesus condemned hypocritical judgment, the person who fixates on a speck in someone else’s eye while ignoring the plank in his own (Matthew 7:1–5). Yet after calling us to examine ourselves, Jesus still tells us to help remove the speck. The answer to hypocritical judgment is not the abandonment of discernment but humble, self-examined correction.
Biblical judgment asks whether a professing believer’s conduct agrees with the faith he or she claims. It is exercised under Scripture, with humility, and for the good of the person and the church.
Accountability Is Not the Opposite of Love
Modern culture often defines love as affirmation: if you love someone, you must approve of his choices or shield her from painful consequences. Scripture presents a deeper love.
Compassion becomes harmful when it protects someone from the very consequences God may use to bring that person to repentance. Refusing to confront destructive sin can feel merciful in the moment while allowing greater harm to continue.
Paul commands the Corinthians not to maintain ordinary fellowship with anyone “named a brother” who persists without repentance in sexual immorality, covetousness, idolatry, abusive speech, drunkenness, or extortion (1 Corinthians 5:11). The focus is not on an unbeliever or a struggling believer seeking help. It is on someone claiming to belong to Christ while defiantly continuing in known sin.
Even then, the goal is never humiliation, revenge, or destruction. The goal is repentance and restoration. In his next letter, Paul urges the church to forgive and comfort a disciplined person who had repented, “lest perhaps such a one be swallowed up with too much sorrow” (2 Corinthians 2:7).
Biblical discipline says, “We love you too much to pretend this is harmless, and we want you restored to Christ and His people.”
Compassion becomes harmful when it protects someone from the very consequences God may use to bring that person to repentance. Refusing to confront destructive sin can feel merciful in the moment while allowing greater harm to continue.
Paul commands the Corinthians not to maintain ordinary fellowship with anyone “named a brother” who persists without repentance in sexual immorality, covetousness, idolatry, abusive speech, drunkenness, or extortion (1 Corinthians 5:11). The focus is not on an unbeliever or a struggling believer seeking help. It is on someone claiming to belong to Christ while defiantly continuing in known sin.
Even then, the goal is never humiliation, revenge, or destruction. The goal is repentance and restoration. In his next letter, Paul urges the church to forgive and comfort a disciplined person who had repented, “lest perhaps such a one be swallowed up with too much sorrow” (2 Corinthians 2:7).
Biblical discipline says, “We love you too much to pretend this is harmless, and we want you restored to Christ and His people.”
How Should We Respond When a Believer Is in Sin?
Scripture gives us a restorative pattern.
1. Pray
Our first response should not be gossip. It should be intercession.
1. Pray
Our first response should not be gossip. It should be intercession.
“If anyone sees his brother sinning a sin which does not lead to death, he will ask, and He will give him life…” (1 John 5:16)
Ask God to bring conviction, expose deception, create a desire for repentance, and restore the wandering believer. Sometimes God may allow painful consequences because He loves that person and intends to awaken him.
2. Confront with truth
Love does not remain silent when sin is destroying someone. Depending on the situation, confrontation may begin privately, as Jesus instructs in Matthew 18:15. Public and persistent sin may eventually require public correction and the involvement of church leadership.
The purpose is never to win an argument. It is to bring the person back into the light.
3. Seek restoration gently
2. Confront with truth
Love does not remain silent when sin is destroying someone. Depending on the situation, confrontation may begin privately, as Jesus instructs in Matthew 18:15. Public and persistent sin may eventually require public correction and the involvement of church leadership.
The purpose is never to win an argument. It is to bring the person back into the light.
3. Seek restoration gently
“If a man is overtaken in any trespass, you who are spiritual restore such a one in a spirit of gentleness, considering yourself lest you also be tempted.” (Galatians 6:1)
Restoration requires gentleness and self-examination. We approach another believer remembering our own weakness and dependence upon grace. There is no room for pride. “Such were some of you” should remain in our hearts whenever we correct someone else.
4. Establish boundaries when necessary
If a person refuses correction and insists on identifying as a Christian while continuing in unrepentant sin, the church may need to withdraw fellowship. This sober step makes clear that his conduct is incompatible with his profession of faith. It also protects the congregation from normalizing what Scripture condemns.
Such boundaries should be led carefully by mature church leadership, according to Scripture, and always with the hope that repentance will make renewed fellowship possible.
4. Establish boundaries when necessary
If a person refuses correction and insists on identifying as a Christian while continuing in unrepentant sin, the church may need to withdraw fellowship. This sober step makes clear that his conduct is incompatible with his profession of faith. It also protects the congregation from normalizing what Scripture condemns.
Such boundaries should be led carefully by mature church leadership, according to Scripture, and always with the hope that repentance will make renewed fellowship possible.
Set Apart and Sent Out
The church is called to be set apart for Christ while remaining present in the world.
We should not expect unbelievers to behave like disciples before they know Jesus. We should love them, serve them, speak truth to them, and invite them to be reconciled to God. At the same time, the church must not redefine love as the refusal to confront sin among those who claim Christ’s name.
We are not called to condemn the world from a distance, nor are we called to imitate it. We have been washed, sanctified, and justified by Jesus. Now He sends us into the world to represent Him.
So stay close enough to love people who do not yet know Christ. Stay rooted enough in Scripture that their values do not reshape yours. And stay humble enough to receive and offer the kind of biblical accountability that leads to repentance, restoration, and life.
We should not expect unbelievers to behave like disciples before they know Jesus. We should love them, serve them, speak truth to them, and invite them to be reconciled to God. At the same time, the church must not redefine love as the refusal to confront sin among those who claim Christ’s name.
We are not called to condemn the world from a distance, nor are we called to imitate it. We have been washed, sanctified, and justified by Jesus. Now He sends us into the world to represent Him.
So stay close enough to love people who do not yet know Christ. Stay rooted enough in Scripture that their values do not reshape yours. And stay humble enough to receive and offer the kind of biblical accountability that leads to repentance, restoration, and life.
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