Protest
From Tardis Wiki, the free Doctor Who reference
The act of protesting was an expression of bearing witness on behalf of an express cause by words or actions with regard to particular events, policies or situations.[source needed]
Rosa Parks, a seamstress from Montgomery, Alabama, in the United States, staged a protest on a segregated bus on 1 December 1955, by refusing to relinquish her seat to Graham O'Brien, a white passenger. (TV: Rosa)