conspirator
nounmasculine/feminine/kõʃ.pi.ɾɐˈdoɾ/low
cons·pi·ra·dor
Definition
A person who secretly plans with others to do something unlawful or harmful, especially against a government.
The conspirators met at night to finalize their plans.
He was tried and convicted as a conspirator in the assassination plot.
Etymology
Do latim 'conspirator, -oris'.