coercitor
From LSJ
Latin > English
coercitor coercitoris N M :: enforcer; one who restrains
Latin > English (Lewis & Short)
cŏërcĭtor: ōris, m. coërceo,
I one who restrains: disciplinae militaris, an enforcer, Eutr. 7, 20; 7, 18 Bip.
Latin > French (Gaffiot 2016)
cŏercĭtŏr, ōris, m. (coerceo), celui qui maintient : Eutr. 7, 20 || qui réprime : Aug. Serm. Dom. 1, 70.