apprehender vs worker

apprehender and worker both are nouns.

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

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

apprehender: a person who seizes or arrests (especially a person who seizes or arrests in the name of justice)
worker: a person who acts and gets things done

Other hypernyms of apprehender include actor, doer.

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

Other hypernyms of apprehender include actor, doer.

apprehender (noun)	worker (noun)
a person who seizes or arrests (especially a person who seizes or arrests in the name of justice)	sterile member of a colony of social insects that forages for food and cares for the larvae
a person who knows or apprehends	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