Alderman

n. government official, member of a legislative body

An alderman is a member of a municipal assembly or council in many jurisdictions. The title is derived from the Anglo-Saxon position of ealdorman, literally meaning "elder man," and was used by the chief nobles presiding over shires.
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Noun
1. a member of a municipal legislative body (as a city council); "aldermen usually represent city wards"
(hypernym) representative

n. alderman

(n.)
One of a board or body of municipal officers next in order to the mayor and having a legislative function. They may, in some cases, individually exercise some magisterial and administrative functions.
  

(n.)
A senior or superior; a person of rank or dignity.