Deuteronomy 24:17

24:17 You must not pervert justice due a resident foreigner or an orphan, or take a widow’s garment as security for a loan.

Deuteronomy 24:19

24:19 Whenever you reap your harvest in your field and leave some unraked grain there, you must not return to get it; it should go to the resident foreigner, orphan, and widow so that the Lord your God may bless all the work you do.