noun
picketing
Refers to the act of standing or marching outside a workplace or venue during a strike or protest, often carrying signs. Used in labor and activist contexts.
労働組合は工場の前でピケッティングを行った。
The labor union conducted picketing in front of the factory.
デモ (demonstration) is a general protest march or rally, whereas ピケッティング is a targeted action at a specific location, usually during a labor dispute.
Borrowed from English 'picketing', referring to the protest action of picketing.