Many people associate the word "libertarian" with right-libertarianism, which is the predominant form of libertarianism in the United States. Ayn Rand's philosophy of objectivism is right-libertarian.

https://en.wikipedia.org/wiki/Right-libertarianism

https://en.wikipedia.org/wiki/Libertarianism_in_the_United_S...

https://en.wikipedia.org/wiki/Objectivism_and_libertarianism

On the other hand, left-libertarians oppose capitalism while supporting personal property rights. Left-libertarians and right-libertarians find common ground in rejecting authoritarian governments.

https://en.wikipedia.org/wiki/Left-libertarianism

Libertarianism comprises a diverse collection of views that aim to advance individual freedom, and anyone who is not an authoritarian is likely to agree with some libertarian principles.