The leader is not determined, the leader is formed. Thus the remarks from some people compilation talk about leadership. Even though this is still a contradiction, people agree that this is the result of the process. The process of becoming a leader determines the quality of the leader. Being able to be a leader because of formation. If he has a strong desire, he is not supportive as a leader, he can be an effective leader. Leaders who develop themselves through a process that is not good in independent learning, education, training, and experience. Quality of leaders is seen when the leader responds to every event that occurs in the struggle. Examples of leaders that can be learned in the Old Testament are Joshua. Joshua's call as leader of Israel did not happen instantly. His leadership was tested with time and the loyalty of the compilation Moses received was his leadership. Later, when Joshua accepted Moses, there was the quality of Moses' leadership. What is the quality of Joshua's leadership? In this paper we will discuss Joshua's leadership qualities.