strike group; workers on strike
Refers to an organized group of workers engaging in a labor strike or dispute. Often used in news and legal contexts.
The strike group continues negotiations with the company.
The strikers' demands are a wage increase and shorter working hours.
労働組合 is a labor union, a permanent organization. 争議団 is a temporary group formed during a specific labor dispute.
Compound of 争議 (dispute, strike) and 団 (group, body).