Answer: campaigner

AnswerCrossword Clue
CAMPAIGNERPolitician, periodically
CAMPAIGNERStevenson or Kefauver.
CAMPAIGNERMan running for office.
CAMPAIGNERParty man in action.
CAMPAIGNERPerson on a trail
campaignerone who campaigns
campaignerA person who actively promotes the goals of a cause