Deuteronomy 24
20 Ref When you are shaking the fruit from your olive-trees, do not go over the branches a second time: let some be for the man from a strange land, the child without a father, and the widow.
21 Ref When you are pulling the grapes from your vines, do not take up those which have been dropped; let them be for the man from a strange land, the child without a father, and the widow.