senator

senator
sen‧a‧tor , Senator /ˈsenətə $ -tər/ noun [countable] (written abbreviation Sen.)
a member of the Senate or a senate:
    Senator Kennedy
—senatorial /ˌsenəˈtɔːriəl◂/ adjective
     

THESAURUS

   ▪ politician someone who works in politics, especially an elected member of the government: senior politicians
   ▪ statesman a political or government leader, especially one who is well-respected: a respected elder statesman | great statesmen like Roosevelt and Churchill | He would later describe the king as ‘one of the most brilliant statesmen I have ever been privileged to meet’.
   ▪ MP/Member of Parliament in Britain, someone who has been elected to a parliament to represent people from a particular area of the country: Ken Newton, MP
   ▪ congressman a man who is a member of a congress, especially the US House of Representatives: a Republican congressman
   ▪ congresswoman a woman who is a member of a congress, especially the US House of Representatives: Mrs McKinney was the state’s first black congresswoman.
   ▪ senator a member of the senate, especially in the US: Senator Clinton
   ▪ representative in the US, a member of the House of Representatives: Democratic Representatives
   ▪ mayor someone who has been elected to lead the government of a town or city: Boris Johnson was elected Mayor of London. | the former New York mayor, Rudy Giuliani
   ▪ spin doctor someone who is used by a political party to influence people’s opinions by cleverly controlling what is reported in the news: The party spin doctors would like us to believe that the government is committed to improving the environment.