Deuteronomy 23:19-21

Complete Jewish Bible

^19 (18) Nothing earned through heterosexual or homosexual prostitution is to be brought into the house of Adonai your God in fulfillment of any vow, for both of these are abhorrent to Adonai your God.

^20 (19) “You are not to lend at interest to your brother, no matter whether the loan is of money, food or anything else that can earn interest. ^21 (20) To an outsider you may lend at interest, but to your brother you are not to lend at interest, so that Adonai your God will prosper you in everything you set out to do in the land you are entering in order to take possession of it.