teacher vs educator

teacher and educator both are nouns.

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

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

Other hypernyms of teacher include pedagog, pedagogue.

teacher (noun)	educator (noun)
a personified abstraction that teaches	someone who educates young people
a person whose occupation is teaching