There are three individuals in the image. The person on the left is wearing a yellow helmet and a yellow jacket with black stripes, holding a fire extinguisher. The person in the middle is also wearing a yellow helmet and a yellow jacket with black stripes, holding a fire extinguisher. The person on the right is wearing a yellow helmet and a yellow jacket with black stripes, holding a fire extinguisher. All three individuals appear to be firefighters, as indicated by their protective gear and equipment.