laborite

noun2

1. •
   a supporter of a labor movement
2. •
   a member of a political party supporting labor

   • The two Farmer Laborites, Shipstead and Johnson of Minnesota, did not attend, as they had contemplated doing, for fear such action might be misinterpreted in Minnesota. — 1923

noun1

1. •
   a member or supporter of the Australian Labor Party, a centre-left political party of Australia.