Deuteronomy 24:20-21

ACV^{(i) 20} When thou beat thine olive tree, thou shall not go over the boughs again. It shall be for the sojourner, for the fatherless, and for the widow. ²¹ When thou gather of thy vineyard, thou shall not glean it behind thee. It shall be for the sojourner, for the fatherless, and for the widow.