activist

Definition

One who is politically active in the role of a citizen; especially, one who campaigns for change.

Etymology

From active + -ist.

Example Sentences

• "It has jailed environmental activists and is planning to limit the power of judicial oversight by handing a state-approved body a monopoly over bringing environmental lawsuits."
• "The six activists will now face a retrial at Highbury Magistrates' Court, in front of a new judge."