One good reason why volunteering is important is that it goes a long way towards creating a healthy community. Another reason why volunteering is important is that it showcases someone’s gratitude to a State that is so full of opportunity. When you take part in these activities, you get closer to people. You come to know your friends even better. You will make new acquaintances also. By getting more involved with other people, your self-confidence also increases. The selfless act of helping a person / cause / nature provides a spiritual boost as well. Knowing you did something good for someone or some cause is an emotionally uplifting experience that can never be matched by money or fame. It is not a glamorous job, but most who have tried it will tell you that the experience is a positive one.
Bits and pieces from http://www.whyguides.com/why-is-volunteering-important.html