1 Corinthians 5:1
Church Discipline
5:1 It is actually reported that sexual immorality exists among you, the kind of immorality that is not permitted even among the Gentiles, so that someone is cohabiting with his father’s wife.
1 Corinthians 5:6
5:6 Your boasting is not good. Don’t you know that a little yeast affects the whole batch of dough?
1 Corinthians 5:10-12
5:10 In no way did I mean the immoral people of this world, or the greedy and swindlers and idolaters, since you would then have to go out of the world.
5:11 But now I am writing to you not to associate with anyone who calls himself a Christian
who is sexually immoral, or greedy, or an idolater, or verbally abusive,
or a drunkard, or a swindler. Do not even eat with such a person.
5:12 For what do I have to do with judging those outside? Are you not to judge those inside?