effector vs doer

effector and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
effector	Yes	No	No	No
doer	Yes	No	No	No

As nouns, doer is a hypernym of effector; that is, doer is a word with a broader meaning than effector:

effector: one who brings about a result or event; one who accomplishes a purpose
doer: a person who acts and gets things done

Other hypernyms of effector include actor, worker.

effector (noun)	doer (noun)
an organ (a gland or muscle) that becomes active in response to nerve impulses	a person who acts and gets things done
a nerve fiber that terminates on a muscle or gland and stimulates contraction or secretion
one who brings about a result or event; one who accomplishes a purpose