gang
Definitions
An organized group of criminals or associates who associate for social or antisocial purposes.
A group of people who work together or go about together, especially in a coordinated or informal manner.
A set of tools or equipment arranged for use together.
Examples
The group of friends decided to form a gang to help clean up the local park.
A gang of teenagers was seen hanging out near the old cinema on Friday night.
The construction gang worked tirelessly through the weekend to finish the bridge repairs.