enemy agent

• spyCovert information gatherer
• traitorOne who betrays allegiance
• moleSubterranean insectivore
• double agentSpy betraying their side
• infiltratorOne who enters covertly

saboteur · operative · sleeper · defector · intelligence · covert · undercover · handler · espionage · turncoat · surveillance · classified · betrayal · counterintelligence · cipher · dead drop · clandestine · KGB

• Spy Fictionspy, secret agent, double agent, MI6, CIA
• secret operativesspy, secret agent, double agent, infiltrator, sleeper agent
• treasontreason, high treason, sedition, turncoat, state betrayal