"Protest" refers to expressing disagreement or objection toward something you believe is wrong or unfair, often by speaking out, marching, or demonstrating. Full definition
I suspect this work was selected precisely because it acts both ways, both as an object of expression and as an advocate of suppression — a work in protest of itself. (newcriterion.com)
Sometimes it functions as a movement of protest against the powers that be. (religion-online.org)
They explained to me that they had been up late at night, participating in protests against the government. (entrepreneur.com)