Merriam Webster dictionary says that arrogance is an insulting way of thinking or behaving that comes from believing that you are better, smarter or more important than others.

It is an attitude of superiority manifested in an overbearing manner.

Dictionary.reference.com says arrogance is an offensive display of superiority or self importance, overbearing pride.

While confidence is a state of being certain that a hypothesis or prediction is correct or that a chosen course of action is the best or most effective. Self confidence is having confidence in oneself.

En.wikipedia.org says confidence is about self assurance in one’s ability.

Therefore Confidence is not arrogance and it is not rudeness.

It entails being sure of your decisions or actions in different situations.

Confidence helps to manage things better even in the face of risks.

A confident leader can accept criticism and ride on that for better performance.

Confidence is not being pompous even though you hold the power in your organization.

Differences between Confident Leaders and Arrogant leaders are listed below but not limited to these:

As Leaders we can be confident without being arrogant or rude.

Puffing up, or feeling unnecessarily big in your own eyes while despising others as not a match for you will lead to low productivity and high staff turnover.

Again, Confidence is not arrogance. It is not rudeness. Let us lead right.