saboteur

sab·o·teur  (sb-tûr)

n.

One who commits sabotage.

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[French, from saboter, to sabotage; see sabotage.]

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saboteur

Noun

a person who commits sabotage [French]

Thesaurus

Noun	1.	saboteur - someone who commits sabotage or deliberately causes wrecks diversionist, wrecker ruiner, uprooter, waster, destroyer, undoer - a person who destroys or ruins or lays waste to; "a destroyer of the environment"; "jealousy was his undoer"; "uprooters of gravestones" 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
	2.	saboteur - a member of a clandestine subversive organization who tries to help a potential invader fifth columnist fifth column, Trojan horse - a subversive group that supports the enemy and engages in espionage or sabotage; an enemy in your midst traitor, treasonist - someone who betrays his country by committing treason

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saboteur

noun demonstrator, rebel, dissident, hooligan, vandal, delinquent, dissenter, agitator, protest marcher

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One who commits sabotage. See also antiterrorism; countersabotage; sabotage.