According to Sigmund Freud, the group has libidinal character. The leader identifies himself as father. Wanted to overcome the anxiety related to the unsatisfied libido. The group is a combination of two or more individuals who interact in such a way that each influences the other and in the same time is under their influence. There are different types of groups and subgroups, as well as a differentiation in roles, status and functions of the individual members of the group.