yielder vs actor

yielder and actor both are nouns.

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

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

Other hypernyms of yielder include doer, worker.

yielder (noun)	actor (noun)
a person who yields or surrenders	a theatrical performer
	a person who acts and gets things done