fisher vs skilled workman

fisher and skilled workman both are nouns.

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

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

Other hypernyms of fisher include skilled worker, trained worker.

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