Answer:

quizmaster

AnswerCrossword Clue
QUIZMASTERStudent who has all the answers?
QUIZMASTEROne asking a lot of questions
QUIZMASTERHal March, for instance.
QUIZMASTERType of TV performer.
QUIZMASTERPerson with the answers
QUIZMASTERFigure in a 50's scandal
QUIZMASTEROne who asks a lot?
QUIZMASTEROne asking questions he already knows the answers to