saboteur
sa·bo·teur
noun
1.
someone who commits sabotage or deliberately causes wrecks
2.
a member of a clandestine subversive organization who tries to help a potential invader
Related words
Word family
Narrower terms
Parts
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.