preserver vs renovator

preserver and renovator both are nouns.

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

As nouns, preserver and renovator are synonyms defined as:

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

Other synonyms of preserver include refinisher, restorer.

preserver (noun)	renovator (noun)
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
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