D defs.my
Entry 1 sense Webster, 1913

Sharper

/shär'-pẽr/ · Sharp·er · IPA /ˈʃɑɹpɚ/
01 n. A person who bargains closely, especially, one who cheats in bargains; a swinder; also, a cheating gamester.
  1. 1.
    A person who bargains closely, especially, one who cheats in bargains; a swinder; also, a cheating gamester.
    Sharpers, as pikes, prey upon their own kind.” L'Estrange.