When trouble happens to people, in many cases they call for the help of rescuers. The profession of a rescuer is considered heroic: these people are ready to risk their own lives at any moment to save others.
During a natural disaster or man-made disasters rescuers provide assistance to victims and help them get out of the danger zone. It is the rescue workers looking for people under the rubble of buildings.
There is also a rescue service on the water, whose employees save the drowning. Every year these heroes save many lives. If someone gets lost in the woods or in the mountains, to help also call for rescuers. They find such people and deliver them to a safe place. Those of them who are sick or injured, rescuers provide first aid on the spot.
Becoming a lifeguard is not easy: you have a lot to know and be able to do. You also have to be very strong and hardy, because the work of the rescuer can be physically difficult. But people are willing to go to the rescue, because it is a very noble and heroic profession.