Abuna n. : The Patriarch, or head of the Abyssinian Church.

Example:
who's father Zechariah Abuna Zacharia in Egypt.. what does he prest?

Taxonomy
Abuna, Abun, Ethiopia, free encyclopedia, Ethiopian church, Patriarch of Ethiopia, Ethiopian Orthodox Tewahedo Church, Abuna River, successors, bishops, Abuna Qerellos IV, Abuna Basilios, Patriarchate, priest, search, Incumbent, Residence, Europe.

Defination from the web:
Abuna (Arabic: أبونا 'abūnā, literally 'our father') is also a title used among Arabic-speaking Christians to refer to a priest. The title is used either by itself, or with the priest's given name, for example 'Abuna Tuma' for 'Father Thomas' ...