The representations of altruism and egoism in contemporary society are constantly changing, following the transformations of society itself. Having abandoned the idea that the factors causing altruism or egoism lie in mere human nature, they are ascribed to people’s conduct, their freedom, their relationships, their associative forms and in society. The attention is now focused on two el-ements of the daily life of individuals: culture and social relations. We will try, therefore, through the theories which study the relationships between lifeworld and social system, to describe the links between altruism, egoism, culture and social relations. We will pay particular attention to the rela-tionality of individu¬als, in an attempt to overcome ...