independent

(noun): A candidate or voter not affiliated with any political party, a freethinker, free of a party platform.
(noun): A neutral or uncommitted person.
(noun): A team not affiliated with any league or conference.
(adjective): Not dependent; not contingent or depending on something else; free.
(adjective): Not affiliated with any political party.
(adjective): Providing a comfortable livelihood.
(adjective): Not subject to bias or influence; self-directing.
(adjective): Separate from; exclusive; irrespective.