educator vs academician

educator and academician both are nouns.

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

As nouns, academician is a hyponym of educator; that is, academician is a word with a more specific, narrower meaning than educator:

educator (noun)	academician (noun)
someone who educates young people	an educator who works at a college or university
	a scholar who is skilled in academic disputation
	someone elected to honorary membership in an academy