D defs.my
Entry 1 sense Webster, 1913

Schemer

/skēm'-ẽr/ · Schem·er · IPA /ˈskimɚ/
01 n. One who forms schemes; a projector; esp., a plotter; an intriguer.
  1. 1.
    One who forms schemes; a projector; esp., a plotter; an intriguer.
    Schemers and confederates in guilt.” — Paley.