libertarian

noun6

1. •
   One who advocates liberty, either generally or in relation to a specific issue.
2. •
   One who advocates libertarianism (“a political philosophy maintaining that all persons are the absolute owners of their own lives, and should be free to do whatever they wish with their persons or property, provided they allow others that same liberty”); also, a member of a political party supporting libertarianism.
3. •
   (UK, Ireland) An antiauthoritarian believer in left-libertarianism, a political doctrine that stresses both individual freedom and social equality, and advocates shared ownership of natural resources.
4. •
   (US) A believer in right-libertarianism, a political doctrine that emphasizes individual liberty and a lack of governmental intervention, oversight, and regulation, both in economic matters (that is, a belief in the free market) and in personal behaviour provided that no one's rights are threatened or violated.
5. •
   A believer in the freedom of thinking beings to choose their own destiny (the doctrine of free will) as opposed to those who believe the future is predetermined (the doctrine of necessity).
6. •
   An Araucarian.

adjective4

1. •
   Advocating liberty; also, having a relative tendency towards liberty.

   • He has libertarian views.
2. •
   Relating to, or advocating, libertarianism; also, relating to a political party supporting libertarianism.
3. •
   Relating to the doctrine of free will as opposed to the doctrine of necessity.
4. •
   Araucarian.

adjective1

1. •
   Of, or pertaining to, a Libertarian Party.

   • The results also revealed a striking data point: Libertarian candidate Jo Jorgensen’s share of the vote in some of these states was higher than margins between Joe Biden and Donald Trump. — 2020

noun1

1. •
   A member of a political party or movement that uses the term "Libertarian" in its name (e.g., the Libertarian Party of the United States); one who is likely to support policies that are libertarian.

   • To many, it seemed that the Libertarians were a genuinely relevant third party in US politics, which is overwhelmingly dominated by Republicans and Democrats. — 2020