The first-ever libertarians were the Levellers, an English political movement active in the seventeenth century. The Levellers contributed to the elaboration of the methodological and political paradigm of individualism, and they are at the origin of the radical strand of classical liberalism. While the Levellers are often characterized as a quasi-socialist movement, closer examination shows that the Levellers had much more in common with advocates for free markets than with socialists.
This interpretation of the Levellers is supported, among others, by Murray N. Rothbard who considers them as “the world’s first self-consciously libertarian movement.” ...
https://www.lewrockwell.com/2014/03/roberta-a-modugno/the-worlds-first-libertarian-movementFull article at the link
Moreover, the Levellers advocated property rights and the freedom to contract and trade, as against monopolies and privileges guaranteed by the state. They celebrated the benefits of economic freedom to society and opposed the government taxes, customs, excises, and regulations that inhibited competition.
Someone had to lead the way.
We are lucky to be alive now when life offers us so much.