His hometown, Maghdouché, is a well-known pilgrimage center, under the administration of the Melkite Greek Catholic Church.
Hakim studied at St.-Sauveur seminary theology and was on November 10, 1947 ordained priest as Chaplain of the Melkite Basilian of the Most Holy Redeemer (BS).
His co-consecrators were the Archbishops Saba Youakim of Petra and Philadelphia in Jordan and Georges Haddad of Tyre in Lebanon.
Pope John Paul II named Hakim on 13 October 1980 to the Apostolic Vicariate of Canada for the Melkite Greek Catholic Church and at the same time appointed him Titular Bishop of Caesarea in Cappadocia of Greek Melkites.
On 1 September 1984, after the nomination of the Apostolic Vicariate to Archeparchy, he was appointed Archbishop of Saint-Sauveur de Montréal.