mugwump a neutral or uncommitted person (especially in politics)
noncandidate someone who has announced they are not a candidate; especially a politician who has announced that he or she is not a candidate for some political office
party boss,
political boss,
boss a leader in a political party who controls votes and dictates appointments; "party bosses have a reputation for corruption"
party liner,
party man a member of a political party who follows strictly the party line
republican a tributary of the Kansas River that flows from eastern Colorado eastward through Nebraska and Kansas
sachem a chief of a North American tribe or confederation (especially an Algonquian chief)
A politician or political leader is an individual who is involved in influencing public policy and decision making. This includes people who hold decision-making positions in government, and people who seek those positions, whether by means of election, coup d'état, appointment, electoral fraud, conquest, right of inheritance or other means. Politics is not limited to governance through public office.