Redeemer (noun)

1. A person who saves someone or something from sin, error, or evil.
2. A person who pays a ransom to free someone from captivity.
3. In Christianity, Jesus Christ is considered as the Redeemer who saves people from sin and death.

Origin:

Middle english redemer, from old french redemptor, from latin redemptor, from redimere 'to buy back, redeem'.

Examples:

1. Jesus is seen as the ultimate redeemer who saves us from our sins.
2. She was the redeemer of her family, who rescued them from poverty.
3. The soldier was hailed as a redeemer for freeing the hostages.
4. The role of the redeemer is important in many religions and cultures.
5. The story of the redeemer is a central part of the Christian faith.