pedagogue

A teacher or instructor of children; one whose occupation is to teach the young.

Jones chid the pedagogue for his interruption, and then the stranger proceeded.

"No, that won't work." Reynders sighed, not in frustration — she was an excellent pedagogue, and never got frustrated while instructing — but in mental exhaustion. This project was testing the limits of what she could handle, in her state, though that was nothing compared to the number it was doing on Udo's head. "But it doesn't need to work. ATCP doesn't ossify, that's why it's armageddon-proof. We'd never be able to make this function if we were using standard protocols."

A pedant; one who by teaching has become overly formal or pedantic in his or her ways; one who has the manner of a teacher.

And novv I have gone thus far, perhaps you vvill think me ſome pedagogue, vvilling, by a vvell-timed puff, to encreaſe the reputation of his ovvn ſchool; but ſuch is not the caſe.

A slave who led the master's children to school, and had the charge of them generally.

To teach.