Answer: moderator

AnswerCrossword Clue
MODERATORPanel-show host
MODERATORPresiding officer of town meeting.
MODERATORPresiding officer.
moderatorAn arbitrator or mediator
moderatorA Presbyterian minister presiding over an ecclesiastical body
moderatorone who moderates
moderatorA substance used in a nuclear reactor to retard neutrons
moderatorA presiding officer, esp. a chairman of a debate
moderatorA person who moderates an Internet bulletin board or chat room