How much do you know abuot lifeguards?
They surpervise safety and rescuse of swimers and surfers and those in the water, in a beach or pool. 
How would one person become a lifeguiard?
Lifeguard
A lifeguard is a rescuer who supervises the safety and rescue of swimmers, surfers, and other water sports participants such as in a swimming pool, water park, spa, beach or river. Lifeguards are strong swimmers and trained in CPR/AED first aid, certified in water rescue using a variety of aids and equipment depending on requirements of their particular venue. In some areas, lifeguards are part of the emergency services system to incidents and in some communities,lifeguards may function as the primary EMS provider.
Bishop once said:Have you ever noticed how you can learn more about other people-more about how they feel, how it would feel to be them-by hearing them cough or make one of those inner noises, than by watching them for hours? Sometimes if another person hiccups, particularly if you haven't been paying much attention to him, why do you get a sudden sensation as if you were inside him-you know how he feels in the little aspects he never mentions, aspects which are, really