Self-confidence and confidence in others are qualities of a good leader, because it shows that they trust their team. It’s important for other people on the team to feel important and indispensable to the leader; this lets the team members offer more efficient productivity and loyalty to the leader.
Despite that, good leadership qualities are not black and white, it’s a grey area. There are good and bad leadership qualities in every leader. A leader is also a human being who is bound to make a mistake, so the environment the leader is surrounded by should understand.