alderman
/ˈɔːldəmən; `ɔldɚmən/ n (pl -men / -mEn;-mEn/) 1 (Brit) (esp formerly) member of a county or borough council, next in rank below the mayor (尤指旧时地位仅次于市长的)高级市政官. 2 (US) (in some cities) member of the city council, representing a particular part of the city (某些城市中的)市参议员.