Leviticus 25:23-26

²³The land must not be sold to a new permanent owner, because the land is mine. You are all foreigners and temporary residents on my land.

²⁴You must observe the right of redemption for all the land that you acquire; you must allow the land to be bought back by the family from whom you bought it.

²⁵If your fellow Israelite became poor and for that reason sold some of his property, then his nearest relative may come and buy back the property that he sold to you.

²⁶If a man has no relative to redeem his property, but if he has prospered and has the ability to redeem it,