Savior (noun)

1. A person who saves someone or something from harm, danger or destruction.
2. A person who rescues, saves or delivers someone or something from harm, danger, or destruction.
3. A person who is responsible for saving or redeeming someone or something.

Origin:

From middle english sauveour, from old french sauveur, from latin salvator, from salvare ("to save").

Examples:

1. He was hailed as a savior for his heroic actions.
2. Jesus is considered as a savior by Christians.
3. She was the savior of the company during the financial crisis.
4. He was considered a savior for the poor.
5. The medication was seen as the savior for the patient's illness.