Answer:
The essence of being a president is to serve as the head of government and head of state of a country. The president is responsible for carrying out the policies and laws of the government, and is also responsible for representing the nation to other countries. They are also the commander-in-chief of the armed forces, and have the power to veto or sign legislation into law. The president is also expected to act as a leader, making important decisions and setting the agenda for the government and the nation. Additionally, they are expected to unify and represent the diverse interests of the citizens. This can also include leading the country through times of crisis, and acting as a symbol of the nation.