Deuteronomy 14:29
And the Levite, (because he has no part nor inheritance with you,) and the stranger, and the fatherless, and the widow, which are within your gates, shall come, and shall eat and be satisfied; that the LORD your God may bless you in all the work of your hand which you do.
Torrey's Topical Textbook—AKJV

Deuteronomy 16:11,14
And you shall rejoice before the LORD your God, you, and your son, and your daughter, and your manservant, and your maidservant, and the Levite that is within your gates, and the stranger, and the fatherless, and the widow, that are among you, in the place which the LORD your God has chosen to place his name there.
Torrey's Topical Textbook—AKJV

Deuteronomy 24:19-21
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