1 Corinthians 5
11 Ref But as it is, I wrote to you not to associate with anyone who is called a brother who is a sexual sinner, or covetous, or an idolater, or a slanderer, or a drunkard, or an extortioner. Don't even eat with such a person.
12 Ref For what have I to do with also judging those who are outside? Don't you judge those who are within?
13 Ref But those who are outside, God judges. "Put away the wicked man from among yourselves."