This chapter explores different meanings of the concept movement, from emotions to social movements, and demonstrates the flexibility of the concept. Drawing on Arendt, anti-globalization movements, “occupy” movements, revolutions, but also on war, colonial expansion, global trade, or Hobbes’s understanding of the leviathan as a moving body-politic, the chapter analyzes movement as a collective political undertaking. Movement appears as the material substance of political life, action, and association, through which violence, resistance, and political freedom are tied. One of the concrete manifestations of this linkage of freedom and violence is the open sea, and the principle of maritime violence and...