There was no single Mayan ruler. The Mayan lands were divided into numerous monarchical city-states that were typically ruled by separate kings.
The most common positions include: President Prime Minister King/Queen Emperor Shah Sultan
You don't. However countries will always have some form of leader, king, emperor, prime minister, dictator, fuhrer, chief minister etc. In the United States we have to have a president because that is the form of our government. In a republic it has become the norm to call the leader the president.
An m.p. is usually a Member of Parliament. Some countries use a parliamentary system and the leader of the country is called the prime minister; in other countries, the leader is called the president. So, normally, an m.p. is subordinate to the prime minister or president.
If the person is the president of a corporation which is called an industrial empire, he would probably not like to be called an emperor. If the person is a dictator who made himself emperor as well as president, I suppose you could call him an emperor. Emperor is usually a title applied to king-like figures. President usually indicates an elected leader. The two titles are contradictory.
The title given to the leader of a constitutional government varies depending on the country. In many countries, the leader is referred to as the President, while in others, they may be called the Prime Minister or the Chancellor. Some countries also have unique titles for their leaders, such as Emperor, King, or Queen.
The leader of Russia is called the Prime Minister, but there is also a president (kinda like in Germany where they also have a chancellor and a president). However there is no longer a Soviet union.
That depends on where you are. In Australia it is called the Prime Minister, In the US it is called the President.
President or prime minister
No, St. Kitts and Nevis has a parliamentary form of government, so the leader is the Prime Minister.
We don't have a president in Britain. Instead we have a Prime Minister, who is the leader of the Government voted into power at the last General Election.
Paraguay does not have a prime minister. It is a republic with a president and vice-president.
Emperor HirohitoPrime Minister Hideki Tojo