ποριστής

οῦ, ὁ
A. one who supplies or provides, π. τῶν κακῶν τῷ δήμῳ Th. 8.48; φύλαξ καὶ π. ἀλλοτρίων χρημάτων Eus.Mynd. 24; δόξης Phld. Rh. 2.53 S.(Comp.).
b. abs., money-maker, J. AJ 19.2.5.
2. pl., at Athens, a financial board appointed to raise extraordinary supplies, Ar. Ra. 1505, Antipho 6.49, etc.: hence metaph., τῶν χρημάτων αὐτοὶ ταμίαι καὶ π. D. 4.33.
3. the name used by robbers of themselves, οἱ λῃσταὶ αὑτοὺς ποριστὰς καλοῦσι νῦν Arist. Rh. 1405a26.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project