vigilante

n.

义警警员；治安团体的成员 名词：vigilantism

vigilante

Noun

member of a vigilance committee

vigilante例句

用作名词(n.)

I'm a vigilante trying to clean up the streets.
我是维持街道秩序的义务警员。

Also, Spider-Man was branded as a vigilante by the police.
此外，蜘蛛侠还被警察称为义务警员。