player vs ham actor

player and ham actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
player	Yes	No	No	No
ham actor	Yes	No	No	No

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

player (noun)	ham actor (noun)
a theatrical performer	an unskilled actor who overacts
a person who participates in or is skilled at some game
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