proloquutor
From LSJ
ὁ δὲ πείσεται εἰς ἀγαθόν περ → he will obey you to his profit, he will obey you for his own good end
Latin > English (Lewis & Short)
prōlŏquūtor: ōris, v. prolocutor.
Latin > French (Gaffiot 2016)
prōlŏquūtŏr, v. prolocutor.
Latin > Chinese
proloquutor, oris. m. :: 保訟者