There are four people visible in the image. They appear to be firefighters, as indicated by their uniforms and equipment. The person on the left is wearing a red jacket with a black hat, while the person next to him is dressed in a blue jacket and black pants. The third person, standing slightly behind the first two, is wearing a white shirt and dark pants. The fourth person, on the right side, is dressed in a black jacket and dark pants. All of them are holding fire extinguishers and other firefighting equipment.