This is the 108th most frequent Turkish word.
mustafa
"Mustafa" is a common Turkish male given name meaning "chosen" or "selected."
Here, 'Mustafa' is used as a proper noun, referring to a person's name.
Mustafa okuldan eve dönünce hemen ödevine başlamalı.
Mustafa should start his homework immediately after returning from school.
In this sentence, 'Mustafa' is part of the full name of a historical figure, Mustafa Kemal Atatürk.
Türkiye'nin ünlü liderlerinden biri, Mustafa Kemal Atatürk'tür.
One of Turkey's famous leaders is Mustafa Kemal Atatürk.
'Mustafa' is used as a possessive noun ('Mustafa'nın'), indicating ownership of 'fikirleri' (ideas).