conspirator
noun
[ kənˈspɪrətə ]
• a person who takes part in a conspiracy.
• "conspirators had planned to seize the state"
Similar:
conspirer,
plotter,
schemer,
intriguer,
colluder,
collaborator,
conniver,
machinator,
confederate,
cabalist,
traitor,
Origin:
late Middle English: from Old French conspirateur, from Latin conspirator, from conspirat- ‘agreed, plotted’, from the verb conspirare (see conspire).