Deuteronomy 24:20-21

CAB(i) 20 And if you should gather your olives, you shall not return to collect the remainder; it shall be for the stranger, and the fatherless, and the widow, and you shall remember that you were a slave in the land of Egypt; therefore I command you to do this thing. 21 And whenever you shall gather the grapes of your vineyard, you shall not glean what you have left; it shall be for the stranger, and the orphan, and the widow;