Deuteronomy 24:19-21

MKJV(i) 19 When you cut down your harvest in your field, and have forgotten a sheaf in the field, you shall not go again to bring it. It shall be for the stranger, for the fatherless, and for the widow; so that Jehovah your God may bless you in all the work of your hand. 20 When you beat your olive tree, you shall not go over the boughs again. It shall be for the stranger, for the fatherless, and for the widow. 21 When you gather the grapes from your vineyard, you shall not glean afterward. It shall be for the stranger, for the fatherless, and for the widow.