attempter

from WordNet (r) 3.0 (2006)

attempter
    n 1: one who tries [syn: {trier}, {attempter}, {essayer}]

from The Collaborative International Dictionary of English v.0.48

Attempter \At*tempt"er\ (?; 215), n.
   1. One who attempts; one who essays anything.
      [1913 Webster]

   2. An assailant; also, a temper. [Obs.]
      [1913 Webster]