parliamentarian
noun
[ ˌpɑːləm(ə)nˈtɛːrɪən ]
• a member of a parliament, especially one well versed in its procedure and experienced in debate.
• "the Prime Minister and the Foreign Secretary are sound parliamentarians"
• a supporter of Parliament in the English Civil War; a Roundhead.
• "her family were prominent and staunch parliamentarians"
parliamentarian
adjective
• relating to a parliament or its members.
• "parliamentarian committees"
• relating to the Roundheads.
• "parliamentarian sympathies"
