Strong's G4173 — πολιτάρχης (noun)
politarches (pol-it-ar'-khace) n.
1. a town-officer, i.e. magistrate
[from G4172 and G757]
KJV: ruler of the city 
Root(s): G4172, G757 
Hebrew root: ἄρχω
Occurrences: 2