1. leadership involves the people and the situation where the leader of the group or organization and its members interact, 
2. leadership occurs within the distribution of power and influence subordinates by leaders of the process, and 
3. the existence of a common goal to be achieved. 

1. According to John Piffner, Leadership is an art in coordinating and direct individuals or groups to achieve a desired goal (H. Abu Ahmadi, 1999:124-125) 
2. Leadership is interpersonal influence, in certain situations and directly through a process of communication to achieve one or several specific goals (Tannebaum, Weschler and Nassarik, 1961, 24). 
3. Leadership is a process that gives meaning (meaningful leadership) and produced in cooperation with the willingness to take the lead in achieving the goals (Jacobs & Jacques, 1990, 281) 
4. Leadership is an ability, process, or function in general to influence people to do something in order to achieve certain goals. (Slamet, 2002: 29) 
5. Leadership is a personal attitude, which led the implementation of activities to achieve the desired goal. (Shared Goal, Hemhiel & Coons, 1957, 7) 
6. Leadership is a process that affects the group activity is regulated to achieve inter-personal influence, in certain situations and directly through a process of communication to achieve one or several specific goals (Tannebaum, Weschler and Nassarik, 1961, 29) 
7. Leadership is an activity to affect the behavior of others so that they would be directed to achieve certain goals (Thoha, 1983:123). 
8. Leadership is a collection of a series of abilities and personality traits, including the authority, to serve as a means in order to ensure they lead so that they are willing and able to carry out the tasks assigned to him willingly, eagerly, no inner joy, and feel forced. (Ngalim Purwanto, 1991:26) 

1. Administrative Influence 
2. Relationships Between Humans 
3. Communication process and 
4. Achievement of a goal. 

1. Ability to influence others (group / subordinate). 
2. Ability to direct or motivate the behavior of another person or group. 
3. There is an element of cooperation to achieve the desired goal. 

• Believe in others:

 A leader to trust others, including subordinate staff, so they have the motivation and maintain good job. Therefore, trust must be followed by concern.

• Balance in life: 

A leader can balance their duties Haras. Oriented to the principles of humanity and self balance between work and exercise, rest and recreation. The balance also means balance between worldly life and hereafter.

• Seeing life as a challenge: 

The word 'challenge' is often interpreted negatively. In this case the challenge is the ability to enjoy life and all its consequences. Because life is a challenge that needed to have a sense of security that comes from within yourself. Sense of security depends on the initiative, skill, creativity, willpower, courage, dynamic and freedom.

• Synergy:

a principled person always lives in a synergy and a catalyst for change, they always overcome his own weaknesses and others. Synergy is group work and benefit both parties. According to The New Brolier Webster International Dictionary, synergy is a working group, which gives the results more effective than working individually. A leader must be able bersinergis with everyone, superiors, staff, coworkers.

• Exercises to develop yourself:

 A leader must be able to renew themselves in order to achieve high success. So he is not only a process-oriented. Process in developing themselves consist of several components that relate to:

1. understanding the material; 
2. expand the material through learning and experience; 
3. teach the material to others; 
4. apply the principles; 
5. monitoring results; 
6. reflect the results; 
7. adding new knowledge necessary materials; 
8. a new understanding, and 
9. back to being myself again.  Definition Of Leadership