searcher vs worker

searcher and worker both are nouns.

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

As nouns, worker is a hypernym of searcher; that is, worker is a word with a broader meaning than searcher:

Other hypernyms of searcher include actor, doer.

searcher (noun)	worker (noun)
large metallic blue-green beetle that preys on caterpillars; found in North America	sterile member of a colony of social insects that forages for food and cares for the larvae
someone making a search or inquiry	a person who works at a specific occupation
a customs official whose job is to search baggage or goods or vehicles for contraband or dutiable items	a member of the working class (not necessarily employed)
	a person who acts and gets things done