ἀρχιποίμην
From LSJ
ἀλλ᾽ ἀμφὶ τοῖς σφαλεῖσι μὴ 'ξ ἑκουσίας ὀργὴ πέπειρα → to those who err in judgment, not in will, anger is gentle | men's wrath is softened toward those who have erred unwittingly
English (LSJ)
ενος, ὁ,
A chief shepherd, 1 Ep.Pet.5.4, Sm.4 Ki.3.4, PLips.97 xi 4 (iv A. D.).
Greek (Liddell-Scott)
ἀρχιποίμην: ὁ, ὁ πρῶτος ποιμήν, Ἐπιστ. π. Ἐφ. ε΄, 23 κλπ.