Protest
Public act against political advantage
A protest (also called a demonstration, remonstration, or remonstrance) is a public act of objection, disapproval or dissent against political advantage. Protests can be thought of as acts of cooperation in which numerous people cooperate by attending, and share the potential costs and risks of doing so. Protests can take many different forms, from individual statements to mass political demonstrations.
From Wikipedia, under CC BY-SA. More on occurri.