conspirer

In the media, Joey is frequently mentioned as an adulterer and conspirer, causing even Mary Jo to question her husband.

Cincinnati Conspirer (Enquirer, when it's not Inky).

Luciano- Conspirer A tribute to the sun Candenza 42...

She was an antic conspirer; she was out for blood. . . . She was dangerous . . . a woman without intuition or antennae."

Subtitled l'art de conspirer (the art of conspiracy), it has also been translated as 'The school for politicians' and is a reworking of a play of the same name by Louis-Benoît Picard (1805).