Our current societies involve a third party called government that is authorised to incur into any violent actions and force in order to protect its citizens. However just by watching the news it’s nothing new to realise that these powers are also used against the very people who give them to its agent, the state.
A life without a state above its people is possible and here’s an excellent excerpt from Murray N. Rothbard’s The Ethics of Liberty about The Right to Self-defense.