Levellers

The English activist John Lilburne (1615-57) is now remembered as one of the leading Levellers – campaigners for a government based on popular sovereignty, two centuries before the advent of mass representative democracy in Europe. But that was only part of a longer public career in which he took on every government he lived under, displaying extraordinary courage and fortitude, and in the process championing legal rights that are important to us all.

https://aeon.co/ideas/the-people-vs-tyranny-the-secular-martyrdom-of-john-lilburne