This is an exercise of influence, responsibility, and authority over a group of people.
There are theories that sort personality, social, physical, or intellectual qualities that making a difference leader from non leaders. 6 traits identified are energy and ambition, the desire to lead, honesty and integrity, intelligence, self-confidence, and job-relevant knowledge. Research shows only modest correlation among these traits and effective leadership. The trait approach also overlooks the requirement of followers and doesn't separate cause from effect (e.g., are leaders' self- confident to begin with or does leadership experience build self-confidence?).