20 When you harvest the olives from your trees, don’t go back to the branches a second time. What remains is for the foreigner, the orphan, or the widow.
Deuteronomy 24:20 Cross References - ISV
Leviticus 19:10
10 You are not to gather your vineyard or pick up the fallen grapes of your vineyard. Leave something for the poor and the resident alien who lives among you. I am the LORD your God.”