seeker vs actor

seeker and actor both are nouns.

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

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

Other hypernyms of seeker include doer, worker.

seeker (noun)	actor (noun)
a missile equipped with a device that is attracted toward some kind of emission (heat or light or sound or radio waves)	a theatrical performer
someone making a search or inquiry	a person who acts and gets things done