Source : Webster's Revised Unabridged Dictionary (1913)

Roper \Rop"er\, n.
   1. A maker of ropes. --P. Plowman.

   2. One who ropes goods; a packer.

   3. One fit to be hanged. [Old Slang] --Douce.

Source : WordNet®

roper
     n 1: a decoy who lures customers into a gambling establishment
          (especially one with a fixed game)
     2: a cowboy who uses a lasso to rope cattle or horses
     3: a craftsman who makes ropes [syn: {ropemaker}, {rope-maker}]