LSJ
οῦ, ὁ, = Lat. capitularius, secretary and treasurer of a group of landowners or artisans, acting as recruiting officer, taxcollector, etc., PThead. 22.4 (iv AD), PLips. 40 iii 17 (iv/v AD), 48.9 (pl., iv AD), al., Cod. Theod. 11.24.6.7 (pl.); τοῦ ἡγεμονικοῦ πολυκώπου PGrenf. 2.80 (pl., v AD); ταρσικαρίων PLips. 89 (iv AD); πιττακίων Sammelb. 4422.2; πλινθουργῶν ib. 5175.21 (vi AD), al. in pl., = Lat. optimates, Olymp. Hist. p. 452 D.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)