διεξαγωγός
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
ὁ, A steward, manager, Sch.Pi.O.14.13.
Spanish (DGE)
-όν
dirigente, del poderglos. a εὐθυντήριος Sch.A.Pers.764cM.