Commander: Has the authority to force his decisions on others.
1.) Knows how to decrease entropy (chaos and disorder) and has the will to act in that direction.
2.) Works for the betterment of those that follow.
3.) A leader may or may not have followers and may or may not be wealthy.
4.) The top followers of a significant group also need to be leaders.
5.) A leader rules without the necessity of force.
The USA has many commanders, but few leaders that are followed. It is easy to be a commander.