One who sabotages.

plural of sabotager

A deliberate action aimed at weakening someone (or something, a nation, etc) or preventing them from being successful, through subversion, obstruction, disruption, and/or destruction.

To deliberately destroy or damage something in order to prevent it from being successful.

plural of sabotage

Third-person singular simple present indicative form of sabotage

simple past tense and past participle of sabotage

susceptible to sabotage

present participle of sabotage

The sabotaging, whether consciously or subconsciously, of oneself, one's own interests, plans etc.