proletariat vs worker

proletariat and worker both are nouns.

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

proletariat (noun)	worker (noun)
a social class comprising those who do manual labor or work for wages	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