Life guard you often see this at the beach they are our life saver. They are responsible to those who are going to the beach, they are the one who take good care and keep an eye to the people while they are enjoying their swimming. A life guard should be physically fit, strong and a good swimmer too to be able to save a life! But the most important thing is that they have the knowledge about saving life. For me they are considered as a super heroes!
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From @kingzer