player vs tragedian

player and tragedian both are nouns.

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

As nouns, tragedian is a hyponym of player; that is, tragedian is a word with a more specific, narrower meaning than player:

player (noun)	tragedian (noun)
a theatrical performer	an actor who specializes in tragic roles
a person who participates in or is skilled at some game	a writer (especially a playwright) who writes tragedies
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