academic vs educator

academic and educator both are nouns.

Word	Noun	Adjective	Verb	Adverb
academic	Yes	Yes	No	No
educator	Yes	No	No	No

As nouns, educator is a hypernym of academic; that is, educator is a word with a broader meaning than academic:

Other hypernyms of academic include pedagog, pedagogue.

academic (noun)	educator (noun)
an educator who works at a college or university	someone who educates young people

academic (adjective)	educator (adjective)
associated with academia or an academy
marked by a narrow focus on or display of learning especially its trivial aspects
hypothetical or theoretical and not expected to produce an immediate or practical result