libertarian
noun
°One who advocates liberty either generally or on a specific issue, e.g. "civil libertarian" (in favour of civil liberties).
°A believer in a political doctrine that emphasizes individual liberty and a lack of governmental regulation and oversight both in matters of the economy ('free market') and in personal behavior where no one's rights are being violated or threatened. Also 'classical liberal', akin to 'anarcho-capitalist'.
adjective
°Relating to the beliefs of libertarians, as in, "He has libertarian views". A relative tendency towards liberty, as in "libertarian capitalist".