1 Corinthians 5:11

11But now I am writing to you not to associate with anyone awho bears the name of brother if he is guilty of sexual immorality or greed, or is an idolater, reviler, drunkard, or swindler—not even to eat with such a one.

2 John 10-11

10If anyone comes to you and does not bring this teaching, bdo not receive him into your house or give him any greeting, 11for whoever greets him ctakes part in his wicked works.

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