There are three people visible in the image. The person on the left is wearing a yellow helmet and appears to be a firefighter, as indicated by the "Sgt" insignia on their helmet. They are holding a hose and seem to be engaged in firefighting activities. The second person, located in the center, is also wearing a yellow helmet and appears to be a firefighter as well. They are holding a fire extinguisher and seem to be assisting the first firefighter. The third person, on the right, is wearing a white shirt and is holding a fire extinguisher. They appear to be observing the activity.