'Rescuer' definitions:

Definition of 'rescuer'

From: WordNet
noun
A person who rescues you from harm or danger [syn: savior, saviour, rescuer, deliverer]
noun
Someone who saves something from danger or violence [syn: rescuer, recoverer, saver]

Definition of 'Rescuer'

From: GCIDE
  • Rescuer \Res"cu*er\ (-k?-?r), n. One who rescues. [1913 Webster]

Synonyms of 'rescuer'

From: Moby Thesaurus