/dɪˈmɒn.streɪ.təʳ/ – noun
Definition: Người biểu tình.
A more thorough explanation: someone who attends a public meeting or march where people show that they disagree with something or express views on a political issue by protesting, shouting and carrying signs etc
Example: The police refused to let demonstrators supporting the homeless sleep overnight in tents in front of the White House.