Exodus 22:21-25

“You must not mistreat or oppress foreigners in any way. Remember, you yourselves were once foreigners in the land of Egypt. “You must not exploit a widow or an orphan. If you exploit them in any way and they cry out to me, then I will certainly hear their cry. My anger will blaze against you, and I will kill you with the sword. Then your wives will be widows and your children fatherless. “If you lend money to any of my people who are in need, do not charge interest as a money lender would.