Strictly speaking, commander. In Saudi Arabia, amir often means prince, but can mean governor of a province.
an independent ruler or chieftain (especially in Africa or Arabia)
Arabic title meaning commander, prince. Used in the Maldives for princes and peers of the realm alike.
A leader. Used as in a leader of the community/group/area etc.
Amir is used in Islam to mean leader or commander
Title of an independent chieftain. Literally, "commander." Also seen as emir.
Literally, commander. In many of the Arab states of the gulf, amir often means ruler or prince.