21 When you gather the grapes of your vineyard, you shall not glean it afterward. It shall be for the alien, for the orphan, and for the widow.
Deuteronomy 24:21 Cross References - LITV
Leviticus 19:9-10
9 And as you reap the harvest of your land, you shall not completely reap the corner of your field; and you shall not gather the gleaning of your harvest;
10 and you shall not glean your vineyard, and you shall not gather the leavings of your vineyard; you shall leave them to the poor and to the alien; I am Jehovah your God.
Deuteronomy 24:19
19 When you cut down your harvest in your field, and have forgotten a sheaf in the field, you shall not turn back to take it. It shall be for the alien, for the orphan. and for the widow; so that Jehovah your God shall bless you in all the work of your hand.