preserver vs refinisher

preserver and refinisher both are nouns.

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

As nouns, preserver and refinisher are synonyms defined as:

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

Other synonyms of preserver include renovator, restorer.

preserver (noun)	refinisher (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