Savior
I think it could be either:
'savior' is the definition.
(messiah is a kind of savior)
This is the entire clue.
(Other definitions for messiah that I've seen before include "Choral work often performed at Christmas" , "he saves" , "Redeemer" , "champion, possibly" , "Inspirational liberator" .)
'savior' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for rescuer that I've seen before include "Person bringing one out of danger" , "One who delivers" , "freer" , "Deliverer (from danger)" , "One who saves from a dangerous situation" .)