tummler

An employee, usually male, of a Borscht Belt resort charged with the duty of entertaining guests throughout the day by providing any number of services, from comedian to master of ceremonies.

Brooks began as a Tummler (master entertainer) at various Catskills resorts, where he honed his skills at telling jokes and doing impersonations.

A lively, mischievous man.

A person with an official role which involves facilitating social interaction.

But most of all, we can’t forget why we needed moderators in the first place: They’re our tummlers, helping us have a good time.