player vs musician

player and musician both are nouns.

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

As nouns, player and musician are synonyms defined as:

Other synonyms of player include instrumentalist.

player (noun)	musician (noun)
a theatrical performer	artist who composes or conducts music as a profession
a person who participates in or is skilled at some game	someone who plays a music as a profession
someone who plays a music as a profession
a person who pursues a number of different social and sexual partners simultaneously
someone who takes part in an activity