Helping behavior refers to voluntary actions intended to help the others, with reward regarded or disregarded. It is a type of prosocial behavior (voluntary action intended to help or benefit another individual or group of individuals, such as sharing, comforting, rescuing and helping).Altruism is distinguished from helping behavior. Altruism refers to prosocial behaviors that are carried out without expectation of obtaining external reward (concrete reward or social reward) or internal reward (self-reward).