Roles of a manager

Here I would like to show how the managers demonstrate the role in order to effectively achieve goals, develop people, and evaluate members in a fair manner.

There are 4 important roles that a manager shall be played in effectively carry out his/her duty:
As a leader, is concern about both productivity and fulfillment of those who work for his or her members.
As a supervisor, the manager is responsible for seeing that the business of the work unit runs smoothly, the managers provide resources, remove obstacles and generally make it as easy as possible for members to complete their tasks.
As a developer, to provide for members growth-both professionally and personally in a way that meets the needs of the organization and the member.
And lastly as an expert, to demonstrate his or her expertise in order to model the way to others.

Beside knowing the role of manager, manager shall identify these roles in his or her members so that the work flow and information will be cascade down to all members smoothly. With the identifying of position, also we would know how to properly identify the lacking area and inject the correct solutions.

In the later part ,i would like to show how essential that the line management to be identified as either Leader, Developer, Expert or Supervisor as in the company, department or individual level.