Pedagogue /(pĕd"ā̇*gŏg)/

Ped·a·gogue

Pedagogue

n.
  1. A slave who led his master's children to school, and had the charge of them generally. (Gr. Antiq.)
  2. A teacher of children; one whose occupation is to teach the young; a schoolmaster.
  3. One who by teaching has become formal, positive, or pedantic in his ways; one who has the manner of a schoolmaster; a pedant.

Pedagogue

v. t.
  1. To play the pedagogue toward. [Obs.]