Mayor
From Memory Alpha, the free Star Trek reference.
On Earth, a mayor is the head of government of a city, town, or village. It is similar to the title of tetrarch, used on the planet Bajor.
The Honorable Helen Burke served as mayor of the of San Francisco during the Bell Riots of 2024. (DS9: "Past Tense, Part II")
According to Marie Picard, for the return of Jean-Luc Picard to La Barre France in 2367, for the first time in 20 years, the city's mayor wanted to give Jean-Luc a parade, but was told not to make plans without talking to the Picards first. (TNG: "Family")
