sab ‧ o ‧ teur /ˌsæbəˈtɜː $ -ˈtɜːr/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Language: French ; Origin: saboter ; ⇨ ↑ sabotage 2 ]
someone who deliberately damages, destroys, or spoils someone else’s property or activities, in order to prevent them from doing something:
The lorries were wrecked by saboteurs.
⇨ ↑ hunt saboteur