Meaning of “redeem” - Learner’s Dictionary

redeem

verb [ T ] uk us /rɪˈdiːm/
IMPROVE

to make something seem less bad:

He tried to redeem his reputation by working extra hard.
a redeeming feature
redeem yourself

to do something that makes people have a better opinion of you after you have done something bad:

He was two hours late, but he redeemed himself by bringing presents.
GET SOMETHING

to exchange something for something else

RELIGION

to save someone from evil, especially according to the Christian religion

(Definition of “redeem” from the Cambridge Learner’s Dictionary © Cambridge University Press)