Educator
来自Big Physics
wiktionary
From Latin ēducātor; synchronically analyzable as educate + -or.
etymonline
educator (n.)
1560s, "one who nourishes or rears;" 1670s, "one who trains or instructs," from Latin educator (in classical Latin, "a foster father," then also "a tutor"), agent noun from past participle stem of educare (see educate). Latin educatrix meant "a nurse."