TSK · Acts 11:3

And both the Pharisees and the scribes murmured, saying, This man receiveth sinners, and eateth with them.

and he said unto them, Ye yourselves know how it is an unlawful thing for a man that is a Jew to join himself or come unto one of another nation; and [yet] unto me hath God showed that I should not call any man common or unclean:

but as it is, I wrote unto you not to keep company, if any man that is named a brother be a fornicator, or covetous, or an idolater, or a reviler, or a drunkard, or an extortioner; with such a one no, not to eat.

If any one cometh unto you, and bringeth not this teaching, receive him not into [your] house, and give him no greeting: