concertator
From LSJ
Τὶ δὲ σὺ διά τὸν Θεὸν δύνασαι ἀρνηθῆναι; Οἷον δὲ μέτρον ἀγάπης τῶν ἀγαπώντων σε ἐστί; (Χρύσανθος Καταπόδης, Σχολὴ Ζωῆς) → ?
Latin > English (Lewis & Short)
concertātor: ōris, m. concerto,
I one who contends or vies with another, a rival: concertator Corbulonis: scientiā militiae (corresp. with aemulus), Tac. A. 14, 29.
Latin > French (Gaffiot 2016)
concertātŏr,¹⁶ ōris, m. (concerto),
1 rival : Tac. Ann. 14, 29
2 compagnon de lutte : Aug. Serm. 297, 4, 6.