mediocrity vs actor

mediocrity and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
mediocrity	Yes	No	No	No
actor	Yes	No	No	No

As nouns, actor is a hypernym of mediocrity; that is, actor is a word with a broader meaning than mediocrity:

Other hypernyms of mediocrity include doer, worker.

mediocrity (noun)	actor (noun)
ordinariness as a consequence of being average and not outstanding	a theatrical performer
a person of second-rate ability or value	a person who acts and gets things done