συμμοριάρχης
From LSJ
Οὔτ' ἐν φθιμένοις οὔτ' ἐν ζωοῖσιν ἀριθμουμένη, χωρὶς δή τινα τῶνδ' ἔχουσα μοῖραν → Neither among the dead nor the living do I count myself, having a lot apart from these
English (LSJ)
and συμμορ-ίαρχος, ὁ,
A president of a συμμορία, Hyp.Fr.148, PTeb.316.6, al. (i A.D.), PSI5.464.4 (iii A.D.).