The “Left” in Left-Libertarianism

One of the compelling aspects of libertarianism and the non-aggression principle is that it is clear, specific, and fundamentally simple to grasp.  Identify interpersonal actions and determine if said behavior qualifies as aggression between persons and their property. If certain behavior does constitute aggression, it is justified to use violence to limit, repel, punish, or defend against such violence through certain norms means.