The title was 'Wali' that was given to Muslim governors appointed by the caliphs.
After the death of the Prophet (SAW), Hazrat Abu Bakr Siddique (RAU) was chosen the Muslim Ruler. His title was 'The Caliph of the Rasool'. All the subsequent Caliphs were called Ameer-ul-Momineen. The title is generally called 'Caliph'.
Caliphs or Amir AlMoa'minoun These terms roughly translate to "Successor" and "Prince/Defender of the Faithful"
Caliphs
Because the Queen appointed this title to him
pussie
The title of the leader of the Federal Reserve is typically "Chair" or "Chairperson of the Board of Governors of the Federal Reserve System." This individual is responsible for overseeing the Federal Reserve's operations and implementing monetary policy in the United States. The Chair is appointed by the President and confirmed by the Senate, serving a four-year term, which can be renewed.
A begum is a Muslim titled lady
Begum
The title of the person appointed by the court to settle the estate of a person who left a will is the executor.
Imam
Ayatullah
No, that title is "Caliph", not Czar.