squirmer vs actor

squirmer and actor both are nouns.

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

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

Other hypernyms of squirmer include doer, worker.

squirmer (noun)	actor (noun)
one who can't stay still (especially a child)	a theatrical performer
	a person who acts and gets things done