Effendi n. : Master; sir; -- a title of a Turkish state official and man of learning, especially one learned in the law.

Example:
Help!! Yohanes Effendi (Yofe), where are you?

Taxonomy
Effendi, Efendi, free encyclopedia, rank, personal name, efendim, colonial forces, officers, KAR, British troops, higher rank, Egypt, Egyptian army, the Ottoman Empire, commissioned officers, search, nobility title, English.

Defination from the web:
Effendi was also considered a man of high education or social standing in an eastern (Mediterranean or Arab) country. ... Effendi (Governor's Commissioned Officer) was the highest rank that a Black African could achieve in the British King's African Rifles (KAR) ...