actor vs causal agency

actor and causal agency both are nouns.

Word	Noun	Adjective	Verb	Adverb
actor	Yes	No	No	No
causal agency	Yes	No	No	No

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

actor: a person who acts and gets things done
causal agency: any entity that produces an effect or is responsible for events or results

Other hypernyms of actor include causal agent, cause.

actor (noun)	causal agency (noun)
a theatrical performer	any entity that produces an effect or is responsible for events or results
a person who acts and gets things done