Noun
someone who commits sabotage or deliberately causes wrecks
a member of a clandestine subversive organization who tries to help a potential invader
Source: WordNetEvery spy and saboteur knew what he had to expect when he was arrested. Paul Blobel
From Here to Eternity' happens to be fourteen-carat entertainment. The main trouble is that it is too entertaining for a film in which love affairs flounder, one sweet guy is beaten to death, and a man of high principles is mistaken for a saboteur and killed on a golf course. Manny Farber
You see I'm against hunting, in fact I'm a hunt saboteur. I go out the night before and shoot the fox. Tim Vine
A producer is a saboteur who tries to infiltrate the passivity of viewers and to create impressions that are lasting. Bill Moyers
Sometimes I think my purpose is as a saboteur when I'm working with other people, derailing what they're trying to do or taking things to a ludicrous extremity. Mark Leyner
Grief is a bad moon, a sleeper wave. It's like having an inner combatant, a saboteur who, at the slightest change in the sunlight, or at the first notes of a jingle for a dog food commercial, will flick the memory switch, bringing tears to your eyes. Meghan O'Rourke