upstager vs thespian

upstager and thespian both are nouns.

Word	Noun	Adjective	Verb	Adverb
upstager	Yes	No	No	No
thespian	Yes	Yes	No	No

As nouns, thespian is a hypernym of upstager; that is, thespian is a word with a broader meaning than upstager:

Other hypernyms of upstager include actor, histrion, player, role player.

upstager (noun)	thespian (noun)
a selfish actor who upstages the other actors	a theatrical performer

upstager (adjective)	thespian (adjective)
	of or relating to drama