20 When you beat your olive tree, shake not after you: it becomes for the sojourner, for the orphan and for the widow.
Deuteronomy 24:20 Cross References - ECB
Leviticus 19:10
10 neither exploit your vineyard nor glean the stray fruit of your vineyard; leave them for the humbled and sojourner: I - Yah Veh your Elohim.