Deuteronomy 24:19

‘When you reap the harvest of your land, moreover, you shall not reap to the very corners of your field nor gather the gleaning of your harvest; you are to leave them for the afflicted and the sojourner. I am Yahweh your God.’”

“And the Levite, because he has no portion or inheritance among you, and the sojourner, the orphan, and the widow who are within your gates, shall come and eat and be satisfied, in order that Yahweh your God may bless you in all the work of your hand which you do.

“When you beat your olive tree, you shall not go over the boughs after you finish; it shall be for the sojourner, for the orphan, and for the widow.

And Ruth the Moabitess said to Naomi, “Please let me go to the field and glean among the ears of grain after one whom I may find favor in his eyes.” And she said to her, “Go, my daughter.”