Source : Webster's Revised Unabridged Dictionary (1913)

Maneuverer \Ma*neu"ver*er\, Manoeuvrer \Ma*n[oe]u"vrer\, n.
   One who maneuvers.

         This charming widow Beaumont is a nan[oe]uvrer. We
         can't well make an English word of it.   --Miss
                                                  Edgeworth.

Source : WordNet®

maneuverer
     n : a person skilled in maneuvering [syn: {manoeuvrer}]