Machiavellian
abettor
accessory
accomplice
accomplice in crime
cohort
confederate
conniver
conspirator
conspirer
counterplotter
exploiter
fellow conspirator
finagler
intrigant
intriguer
machinator
maneuverer
operator
opportunist
plotter
schemer
socius criminis
wire-puller
criminal
crook
felon
malefactor
outlaw
Fawkes
Oates
guy fawkes
titus oates
hookha
protectorate
smelt