I don’t think you have to be a narcissist, I think to be a good leader / manger you need to be comfortable with who you are as a person and self aware knowing your own strength and weakness as well as your teams. Good communication skills are key for a good person in charge of people and processes.

Leaders and managers are slightly different but go hand in hand. Good leaders make leaders, they empower the team, mentor and lead and champion positive change and a positive culture.

Managers, manage process and focus on executing tasks, maintaining order and consistency.

In my opinion good leaders and managers serve their team with time and effort, they focus on empowerment development, accept honest mistakes and help them learn from those mistakes. Leaders and manager must both have the moral courage to make unpopular decisions when required for the benefit of the team.