quester vs worker

quester and worker both are nouns.

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

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

Other hypernyms of quester include actor, doer.

quester (noun)	worker (noun)
someone making a search or inquiry	sterile member of a colony of social insects that forages for food and cares for the larvae
	a person who works at a specific occupation
	a member of the working class (not necessarily employed)
	a person who acts and gets things done