Matthew 20:28
Even so, the Son of man did not come to be served [by others] but to be the servant [of others], and to sacrifice His life as a ransom price to purchase many people [i.e., back from Satan]."
1 Timothy 2:5-6
For there is one God and one Mediator between God and mankind --- the man Christ Jesus,
Titus 2:14
He gave Himself up for us, to buy us back from [enslavement to] all [kinds of] wickedness and to purify for Himself a group of people who belong to Him and who are eager to do good deeds.
Hebrews 9:12
And He did not enter [the heavenly Holy of Holies] by means of the blood of goats and calves but, by means of His own blood He entered the Holy of Holies [i.e., heaven] once for all time, [after] having obtained never ending redemption [i.e., salvation for us on the cross].
1 Peter 1:18
You [should] know that you were bought back [from Satan], from your useless way of life, inherited from your forefathers, not with such perishable things as silver and gold,
1 Peter 3:18
For Christ suffered once for people's sins [to be forgiven]. [It was the case of] a righteous Man suffering for unrighteous people, so that He could bring you [or, "us"] to God [for salvation]. [Though] He [i.e., Jesus] was put to death physically, He was brought back to life by the Holy Spirit [Note: Some translations say "in spirit"].