The word altruism derives from the French “altruisme” which means “philanthropy and solidarity” which comes from the Latin “alter” which can be translated as “the other”, altruism is human behavior that consists in facilitating attention against one’s own good, but In addition, it can be understood that altruism is the opposite of selfishness or excessive love for oneself, which comes to concern only one’s own interest, forgetting others, even when said diligence is against one’s own good, although it is not based on in the supernatural.

Altruistic behavior consists of a behavior that increases the expectations of resistance from others at the cost of a personal decrease, a behavior of assistance to colleagues who are in danger, a personal sacrifice for the benefit of others, concern or attention if the interest for the other or others. Altruism is a unique property of human beings and animals, especially the most developed ones.

Altruism in ethology and evolutionary biology, this is responsible for animal behavior where a person puts his life in danger to protect and favor other members of the group. These theories explain how a person can sacrifice her own life in order to protect that of others, but they always add the fact that among the members of that group she has to discover someone who shares part of her same genes.

Altruism in psychology and sociology, is a behavior that favors another but it is also spontaneous and the author does not anticipate external users.