fisher vs skilled worker

fisher and skilled worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
fisher	Yes	No	No	No
skilled worker	Yes	No	No	No

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

Other hypernyms of fisher include skilled workman, trained worker.

fisher (noun)	skilled worker (noun)
large dark brown North American arboreal carnivorous mammal	a worker who has acquired special skills
someone whose occupation is catching fish