defecator vs actor

defecator and actor both are nouns.

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

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

Other hypernyms of defecator include doer, worker.

defecator (noun)	actor (noun)
(obsolete) that which cleanses or purifies; especially, an apparatus for removing the feculencies of juices and syrups.	a theatrical performer
a person who defecates	a person who acts and gets things done