litigator
noun [ C ] law US specialized uk/ˈlɪt.ɪ.ɡeɪ.tər/ us/ˈlɪt̬.ə.ɡeɪ.t̬ɚ/
诉讼律师，诉讼代理人
a lawyer who specializes in taking legal action against people and organizations
a leading civil rights litigator 杰出的民权诉讼律师
Compare: litigant