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 blue uniform with a red helmet, while the person next to them is dressed in a black jacket and blue jeans. Another firefighter is seen in the middle, wearing a white shirt and blue pants. The fourth person is standing on the right side, wearing a dark jacket and blue jeans. They are all holding fire extinguishers and appear to be engaged in firefighting activities.