急きゅう先せん鋒ぽう

noun

vanguard; forefront; leading figure

Refers to a person or group at the forefront of a movement, campaign, or cause, often with a sense of being radical or aggressive. Common in political and social contexts.

• 彼かれは改かい革かく運うん動どうの急きゅう先せん鋒ぽうとして知しられている。

  He is known as a leading figure in the reform movement.

• その議ぎ員いんは党とう内ないの急きゅう先せん鋒ぽうで、しばしば過か激げきな発はつ言げんをする。

  That lawmaker is a radical vanguard within the party and often makes extreme statements.