/ˈæktɪvɪst/ n.激进主义者；行动主义者
Activists demanded an independent review of the decision.激进主义者要求对该决定进行独立审查。
The police say they suspect the attack was carried out by animal rights activists.警方说他们怀疑袭击是由动物权益保护分子进行的。
a human rights activist人权护卫者
Human rights activists believe the country has one of the highest incidences of unreported rape cases.人权护卫者认为该国是未报告强奸案例数量最多的国家之一。
a political activist政治激进主义者
a peace activist和平激进主义者