If any man among you becomes unclean because of a nocturnal emission, he must leave the camp and stay outside.
KJV
If there be among you any man, that is not clean by reason of uncleanness that chanceth him by night, then shall he go abroad out of the camp, he shall not come within the camp:
ASV
If there be among you any man, that is not clean by reason of that which chanceth him by night, then shall he go abroad out of the camp, he shall not come within the camp: