20 And when thou gatherest thine olives, thou shalt not turn back to gather what was left behind thee: it shall be for the stranger and the orphan and the widow;
Deuteronomy 24:20 Cross References - Thomson
Leviticus 19:10
10 nor shalt thou go over thy vineyard a second time, nor gather the straggling clusters of thy vineyard. Thou shalt leave them for the poor, and for the stranger. I am the Lord your God;