Libertarianism: A political philosophy that upholds individual liberty, laissez faire markets, and the rejection of the use of aggessive force whether by a street thug or a government; further extrapolated to its logical, and peaceful, ends of anarcho-capitalism.

Anarcho-capitalism (AnCap): A libertarian and individualist anarchist political philosophy that advocates the elimination of the state in favor of individual sovereignty in a free market, normally marked by courts and security services being performed by the market as opposed to the state. Economist Murray Rothbard is credited with coining the term.