10 If there should be in you a man who is not clean by reason of his issue by night, then he shall go forth out of the camp, and he shall not enter into the camp.
Deuteronomy 23:10 Cross References - CAB
Leviticus 15:16
16 And the man whose seed of copulation shall happen to go forth from him, shall then wash his whole body, and shall be unclean until evening.
Numbers 5:2-3
2 Command the children of Israel, and let them send forth out of the camp every leper, and everyone who has in issue of the reins, and everyone who is unclean from a dead body.
3 Whether male or female, send them forth out of the camp; and they shall not defile their camps in which I dwell among them.
1 Corinthians 5:11-13
11 But now I write to you not to associate with anyone named a brother, who is a fornicator, or covetous person, or an idolater, or abusive person, or a drunkard, or a swindler--not even to eat with such a person.
12 For what have I to do with judging those also who are outside? Do you not judge those who are inside?
13 But those who are outside God will judge. Therefore "put away from yourselves the evil person."