From Longman Dictionary of Contemporary Englishprotesterpro‧test‧er, protestor /prəˈtestə $ -ər/ ●●○ noun [countable] PROTESTsomeone who takes part in a public activity such as a demonstration in order to show their opposition to something
Examples from the Corpus
protester• And Gibbs says a confrontation between protesters and politicians over the Stamp Act took place on the front porch.• Disappointed protesters complained that the government had reformed the tax just to spite them.• Thousands of protesters took to the streets to show their anger at the government.• This whole extravaganza is demeaning, debasing and deeply damaging to what should be serious political discourse, the protesters complain.• Troops were deployed to disperse the protesters, several of whom were charged with assault.• The two-minute video shows the protesters casually entering the office before linking arms through the tubes.• The idea, state officials insist, was merely to turn the protesters around with a show of force.• Many of these protesters will be outside agitators, even convention delegates, from anti-abortion strongholds like Texas and Florida. 