Leviticus 19:10
And you shall not glean your vineyard, neither shall you gather every grape of your vineyard; you shall leave them for the poor and stranger: I am the LORD your God.
Torrey's Topical Textbook—AKJV

Leviticus 23:22
And when you reap the harvest of your land, you shall not make clean riddance of the corners of your field when you reap, neither shall you gather any gleaning of your harvest: you shall leave them to the poor, and to the stranger: I am the LORD your God.
Torrey's Topical Textbook—AKJV

Deuteronomy 24:19-22
When you cut down your harvest in your field, and have forgot a sheaf in the field, you shall not go again to fetch it: it shall be for the stranger, for the fatherless, and for the widow: that the LORD your God may bless you in all the work of your hands.
Torrey's Topical Textbook—AKJV