The job description of a President varies depending on the country and its political system, but generally includes the following:

1. Head of State: The President serves as the official representative and symbol of the country and is responsible for maintaining the dignity of the office.

2. Commander-in-Chief: The President is the highest-ranking military officer in the country and has the authority to make decisions regarding national security and defense.

3. Chief Executive: The President is responsible for overseeing the implementation of laws and policies, managing the executive branch of government, and ensuring that government agencies are functioning efficiently.

4. Chief Diplomat: The President is the primary spokesperson for the country's foreign policy and is responsible for negotiating treaties and agreements with other countries.

5. Legislative Leader: The President has the power to propose legislation and to veto bills passed by Congress.

6. Economic Leader: The President is responsible for overseeing the economy, creating jobs, and promoting economic growth.

7. Party Leader: The President is the leader of his or her political party and is responsible for shaping party policies and guiding its members.

Overall, the President is the head of government and is responsible for representing the country and its citizens on both national and international stages, ensuring the security and prosperity of the country, and promoting the general welfare of its citizens.