dragger vs worker

dragger and worker both are nouns.

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

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

dragger (noun)	worker (noun)
a fishing boat that uses a trawl net or dragnet to catch fish	sterile member of a colony of social insects that forages for food and cares for the larvae
someone who pulls or tugs or drags in an effort to move something	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