Man’s life is enormous extent a group life. Human group is the elemental unit for functioning in societies. By group we mean any collection of human beings who are brought in to social relationship with one another. Social relationship is the relationship in which members involved are aware of each other’s presence. When people cannot achieve any objective individually they come together and work towards the common objective with joint efforts. Social groups are vital for human existence.
A social group can be defined as two or more persons who came together to achieve common objectives.
According to Maclver “By group we mean any collection of human beings who are brought into social relationship with one another.”
According to Ogburn and Nimkoff “Whenever two or more individuals come together and influence one another, they may be said to constitute a social group.”
Group consists of leaders and following “Leader is a person who influence the group in its efforts towards the common objectives.”