temperator
From LSJ
τῶν δ᾽ ὀρθουμένων σῴζει τὰ πολλὰ σώμαθ᾽ ἡ πειθαρχία → But of those who make it through, following orders is what saves most of their lives (Sophocles, Antigone 675f.)
Latin > English (Lewis & Short)
tempĕrātor: ōris, m. id.,
I one who duly arranges, orders, or governs (very rare): moderator ille et quasi temperator hujus tripartitae varietatis, Cic. Or. 21, 70: voluptatis, i. e. who enjoys it in moderation, Sen. Vit. Beat. 14, 1.—Poet.: armorum (flumen), i. e. that rightly tempers them, Mart. 4, 55, 15.