ouster vs worker

ouster and worker both are nouns.

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

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

Other hypernyms of ouster include actor, doer.

ouster (noun)	worker (noun)
the act of ejecting someone or forcing them out	sterile member of a colony of social insects that forages for food and cares for the larvae
a wrongful dispossession	a person who works at a specific occupation
a person who ousts or supplants someone else	a member of the working class (not necessarily employed)
	a person who acts and gets things done