After being pastor for a year at Fikryak, Minya, he returned to Rome and obtained licentiates in theology in 1962 and in scripture in 1964.

[4] Pope Benedict named him Relator General (recording secretary) of the October 2010 special assembly of the Synod of Bishops for the Middle East, held at the Vatican.

[citation needed] On 29 December 2010, he was named a member of the Congregation for the Oriental Churches and the Pontifical Council for the Pastoral Care of Migrants and Itinerant People.

[7] On 13 October 2011, after attacks by the military against peaceful protesters in Cairo and reported denials of Christian building permits, Naguib urged fraternity among Egyptians of different faiths and expressed his confidence in the country's transitional government.

The other three cardinal-electors from outside the Latin Church were Maronite Patriarch Bechara Boutros al-Rahi, Syro-Malabar Major Archbishop George Alencherry, and Syro-Malankara Major Archbishop Baselios Cleemis and they too, wore distinct vestments proper to their respective churches.