Career
On 11 July 1943 Bassoul was ordained priest and was appointed Chaplain of the Melkite Basilian Salvatorian Order. In 1960 he became Archimandrite of the Melkite parish of Roslindale in Boston, Massachusetts. In his short tenure as pastor he was instrumental in the planning for the construction of the "Annunciation Melkite Catholic Cathedral" in Roslindale.
After the consecration of a bishop in 1962, John Elya, Bachelor of Science, assumed the parish.
The appointment as of Homs in Syria took place on December 5, 1961. On April 28, 1962, he was consecrated bishop in Boston by Cardinal Richard Cushing, the Roman Catholic of Boston.
From 1962 to 1971 Bassoul headed the Melkite Greek Catholic Archeparchy of Homs. From 21 August 1971 until his death on August 9, 1977 Bassoul became archbishop of Zahle and Forzol in Lebanon.
In this office he was succeeded by Augustin Farah.
Bassoul was from 1962 to 1965 participant in all sessions of the Second Vatican Council. Bassoul was co-consecrator of the of Beirut and Jbeil, Habib Bacha.