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 24:20-21

24:20 When you beat your olive tree you must not repeat the procedure; the remaining olives belong to the resident foreigner, orphan, and widow. 24:21 When you gather the grapes of your vineyard you must not do so a second time; they should go to the resident foreigner, orphan, and widow.

Deuteronomy 27:19

27:19 ‘Cursed is the one who perverts justice for the resident foreigner, the orphan, and the widow.’ Then all the people will say, ‘Amen!’