Definitions

1. 1.to buy from someone else
2. 2.to buy back, to buy something one previously owned
3. 3.to buy a replacement for something someone has lost
4. 4.to pay for the freedom of, to free by paying a price, to ransom
5. 5.to redeem, to save (someone) from their sins by one's own sacrifice
6. 6.to make up for, to atone for (one's misdeeds or sins)