interlocuter

(slang, humorous) An interpreter .

(chiefly, UK, Ireland, Commonwealth) A master of ceremonies, especially for a television, variety, or quiz show.

(US) A mine inspector.

(historical) Originally, an entertainer employed to juggle, play music, sing, tell stories, etc.; a buffoon, a fool, a jester; later, a medieval (especially travelling) entertainer who would recite and sing poetry, often to their own musical accompaniment.

One who intervenes; a mediator, especially one designated by a church to reconcile parties and unite them in the choice of officers.