exponent vs worker

exponent and worker both are nouns.

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

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

Other hypernyms of exponent include actor, doer.

exponent (noun)	worker (noun)
a mathematical notation indicating the number of times a quantity is multiplied by itself	sterile member of a colony of social insects that forages for food and cares for the larvae
a person who pleads for a cause or propounds an idea	a person who works at a specific occupation
someone who expounds and interprets or explains	a member of the working class (not necessarily employed)
	a person who acts and gets things done