Being a native of Beit ed-Dine, Mount Lebanon, Abu Khalil was born in 1925.[1] He was a Maronite.[1] He was one of the close allies of the Kataeb Party leadership, namely Gemayel family members, including Pierre Gemayel and his son Bashir Gemayel.[1][2] At the beginning of the 2000s Abu Khalil was an advisor to Amine Gemayel, the eldest son of Pierre Gemayel.[3] Within the Kataeb party he held several posts.[4] Abu Khalil was political secretary of the party in the mid-1970s.[5] He was elected its deputy president in the congress in June 2015 when Samy Gemayel was elected president of Kataeb party.[6]
Abu Khalil was among the founders of a radio station, Voice of Lebanon, in 1958.[4] Next he was named the editor-in-chief of Al Amal newspaper.[4]
Abu Khalil died in December 2019.[4]