Leviticus 25:8–12: What Jubilee Means
The jubilee is not a vague ideal of freedom but a commanded fiftieth year, announced by trumpet on the Day of Atonement, in which liberty is proclaimed and property and family return to their original places. It grows out of the Sabbath rhythm already given for the land.
Redemption in Leviticus 25:23–25 Explained
In Israel, land could not be sold permanently because it belonged to God, so every sale was a lease running toward release. Redemption was the family duty of a near relative buying back what a poor brother had lost.