Search Result for "saboteur": 
Wordnet 3.0

NOUN (2)

1. someone who commits sabotage or deliberately causes wrecks;
[syn: saboteur, wrecker, diversionist]

2. a member of a clandestine subversive organization who tries to help a potential invader;
[syn: fifth columnist, saboteur]



WordNet (r) 3.0 (2006):

saboteur
    n 1: someone who commits sabotage or deliberately causes wrecks
         [syn: saboteur, wrecker, diversionist]
    2: a member of a clandestine subversive organization who tries
       to help a potential invader [syn: fifth columnist,
       saboteur]