One who teaches another (usually called a student, learner, or tutee) in a one-on-one or small-group interaction.
A university officer responsible for students in a particular hall.
One who has the charge of a child or pupil and his estate; a guardian.
(trading card games) A card that allows you to search your deck for one or more other cards.
To instruct or teach, especially an individual or small group.
To treat with authority or sternness.