pocketer

/ˈpɑkɪtər/
noun
  1. A person who takes something dishonestly, especially money or small items; a thief or swindler.
    • The pickpocket was a skilled pocketer who could lift wallets without anyone noticing.
    • In the old tales, the pocketer was always caught and punished by the townspeople.
    • The dishonest cashier turned out to be a pocketer of store funds.