1 Peter 1:18–19 (ESV)
18 knowing that you were ransomed from the futile ways inherited from your forefathers, not with perishable things such as silver or gold, 19 but with the precious blood of Christ, like that of a lamb without blemish or spot.
The words are put in such a form in connection as to imply an obvious allusion to the first Passover in Egypt, and the subsequent redemption.
The primary meaning of the term redeem is delivered from slavery, or captivity under the power of an enemy, by the payment of ransom. This is the simple meaning of the word, and precisely corresponds to the English verb to ransom …. (423-424).