castigator
From LSJ
πᾶς ὁ ὑψῶν ἑαυτὸν ταπεινωθήσεται καὶ ὁ ταπεινῶν ἑαυτὸν ὑψωθήσεται → for everyone who exalts himself will be humbled, and he who humbles himself will be exalted (Luke 14:11)
Latin > English (Lewis & Short)
castīgātor: ōris, m. castigo,
I one who corrects or chastises, a corrector, reprover (not in Cic.), Plaut. Trin. 1, 2, 150; 3, 1, 13: lacrimarum atque inertium querelarum, Liv. 1, 59, 4: castigator censorque minorum, * Hor. A. P. 174: tot saeculorum, Col. 8, 16, 6; cf. Sen. Ira, 1, 15, 3; Plin. Pan. 40, 1.