searcher vs finder

searcher and finder both are nouns.

Word	Noun	Adjective	Verb	Adverb
searcher	Yes	No	No	No
finder	Yes	No	No	No

As nouns, finder is a hyponym of searcher; that is, finder is a word with a more specific, narrower meaning than searcher:

Other hyponyms of searcher include gadabout, hunter.

searcher (noun)	finder (noun)
large metallic blue-green beetle that preys on caterpillars; found in North America	optical device that helps a user to find the target of interest
someone making a search or inquiry	someone who is the first to observe something
a customs official whose job is to search baggage or goods or vehicles for contraband or dutiable items	someone who comes upon something after searching