councillor       
noun [ C ] UK (US councilor) uk/ˈkaʊn.səl.ər/ us/ˈkaʊn.səl.ɚ/
 市政委员;地方议会议员
an elected member of a local government
  a town/city/county/local councillor 镇/市/郡/地方政务会议员 
 Councillor Moore 议员穆尔 
 Compare: councilmancouncilwoman