- Types:
- show 6 types...
- hide 6 types...
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counterspy, mole
a spy who works against enemy espionage
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double agent
a spy who works for two mutually antagonistic countries
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espionage agent
someone employed to spy on another country or business competitor
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foreign agent
a spy for a foreign country
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infiltrator
someone who takes up a position surreptitiously for the purpose of espionage
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sleeper
a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal