amuser

noun3

1. •
   Someone who amuses.
2. •
   (historical) One of a class of rogues who carry snuff or dust in their pockets, which they throw into the eyes of people so as to enable their accomplices to rob them while pretending to help them.

   • He should have knowed better than to tangle with you, Miss Lindsay. Where did you learn to be an amuser, then? — 1993
3. •
   (no longer used) One who diverts attention, usually to distract or bewilder, often for fraudulent purposes; hence a cheat, deceiver or thief.