Deuteronomy 23:14

11 But it shall be, when evening cometh on, he shall wash himself with water: and when the sun is down, he shall come into the camp again.

12 Thou shalt have a place also without the camp, whither thou shalt go forth abroad:

13 And thou shalt have a paddle upon thy weapon; and it shall be, when thou wilt ease thyself abroad, thou shalt dig therewith, and shalt turn back and cover that which cometh from thee:

14 For the LORD thy God walketh in the midst of thy camp, to deliver thee, and to give up thine enemies before thee; therefore shall thy camp be holy: that he see no unclean thing in thee, and turn away from thee.

15 Thou shalt not deliver unto his master the servant which is escaped from his master unto thee:

16 He shall dwell with thee, even among you, in that place which he shall choose in one of thy gates, where it liketh him best: thou shalt not oppress him.

17 There shall be no whore of the daughters of Israel, nor a sodomite of the sons of Israel.