21 When thou gatherest [the grapes of] thy vineyard, thou shalt not glean it after thee: it shall be for the stranger, for the fatherless, and for the widow.
Deuteronomy 24:21 Cross References - ERV
Leviticus 19:9-10
9 And when ye reap the harvest of your land, thou shalt not wholly reap the corners of thy field, neither shalt thou gather the gleaning of thy harvest.
10 And thou shalt not glean thy vineyard, neither shalt thou gather the fallen fruit of thy vineyard; thou shalt leave them for the poor and for the stranger: I am the LORD your God.
Deuteronomy 24:19
19 When thou reapest thine harvest in thy field, and hast forgot a sheaf in the field, thou shalt not go again to fetch it: it shall be for the stranger, for the fatherless, and for the widow: that the LORD thy God may bless thee in all the work of thine hands.