LIBERTARIAN

One who advocates liberty, either generally or in relation to a specific issue.

"civil libertarian"

A believer in a political doctrine that emphasizes individual liberty and a lack of governmental regulation, intervention, 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, a ‘classical liberal’, akin to an ‘anarcho-capitalist’.

A left-libertarian, an antiauthoritarian believer in both individual freedom and social justice (social equality and mutual aid), such as a social anarchist.

Having the beliefs of libertarians; having a relative tendency towards liberty.

"A libertarian capitalist."

Relating to liberty, or to the doctrine of free will, as opposed to the doctrine of necessity.