The head of an Arab Tribe is called a Sheikh.
Sheikh
There is no " Muslim tribal chief." You probably mean sheikh (best pronounced "shike" or "shake" but also "sheek"), which is the usual title for the leader of an Arab family or village, i.e. a tribe. The word is not a Muslim title. It simply means "old man." An Islamic spiritual leader is called an imam, which is not a tribal title.
sheikhThe Arabian chiefs are called Sultans, also if they a re Royalty then they could also be a Prince or a King.
The Nomads who live in the Arab Deserts are called Bedouins.
There is no specific term for Muslims of Arab origin. They are usually just called "Arab Muslims".
The Arab Republic of Egypt
They were called the Bedouin.
it transcends old tribal boundaries and made possible political unity among Arab clans.
They are from a so-called "Arab" man...the validity of this isn't high.
The head of an Arab Tribe is a Sheikh (شيخ).
Most are defamatory & use should not be encouraged.
Dragoman