director vs musician

director and musician both are nouns.

Word	Noun	Adjective	Verb	Adverb
director	Yes	No	No	No
musician	Yes	No	No	No

As nouns, musician is a hypernym of director; that is, musician is a word with a broader meaning than director:

director (noun)	musician (noun)
someone who controls resources and expenditures	artist who composes or conducts music as a profession
the person who leads a musical group	someone who plays a music as a profession
someone who supervises the actors and directs the action in the production of a show
member of a board of directors
the person who directs the making of a film