rescuer vs deliverer

rescuer and deliverer both are nouns.

Word	Noun	Adjective	Verb	Adverb
rescuer	Yes	No	No	No
deliverer	Yes	No	No	No

As nouns, rescuer and deliverer are synonyms defined as:

Other synonyms of rescuer include savior, saviour.

rescuer (noun)	deliverer (noun)
someone who saves something from danger or violence	a person who rescues you from harm or danger
a person who rescues you from harm or danger	a person who gives up or transfers money or goods
	someone employed to make deliveries