Individuals who take direct action to achieve a social or political end
Notable Individuals
- Crane, Ed (1944- ) - Co-founder and former President of the Cato Institute
- Ernsberger, Donald - Co-founder of the Society for Individual Liberty
- Fritz, Marshall (1943-2008) - President of Alliance for the Separation of School and State
- Harris, Sharon - President of The Advocates for Self-Government
- Lilburne, John (1614-1657) - 17th century English activist, advocate of "freeborn" rights and of a written constitution
- McWilliams, Peter (1949-2000) - Author of the Life 101 books and Ain't Nobody's Business If You Do
- Nolan, David (1943-2010) - Co-founder of U.S. Libertarian Party, creator of political beliefs chart
- Walter, Dave - Co-founder of the Society for Individual Liberty
- Wollstein, Jarret - Author, co-founder of Society for Individual Liberty