Machinator

Mach'i┬Ěna`tor noun [ Latin ] One who machinates, or forms a scheme with evil designs; a plotter or artful schemer. Glanvill. Sir W. Scott.
Found on http://www.encyclo.co.uk/webster/M/2

Machinator

• (n.) One who machinates, or forms a scheme with evil designs; a plotter or artful schemer.
Found on http://thinkexist.com/dictionary/meaning/machinator/
No exact match found