restorer vs preserver

restorer and preserver both are nouns.

Word	Noun	Adjective	Verb	Adverb
restorer	Yes	No	No	No
preserver	Yes	No	No	No

As nouns, restorer and preserver are synonyms defined as:

restorer and preserver: a skilled worker who is employed to restore or refinish buildings or antique furniture

Other synonyms of restorer include refinisher, renovator.

restorer (noun)	preserver (noun)
a skilled worker who is employed to restore or refinish buildings or antique furniture	rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning
	a skilled worker who is employed to restore or refinish buildings or antique furniture
	someone who keeps safe from harm or danger
	a cook who preserves fruits or meat