After the retirement of his father from the army, the family moved to Rahbeh, their original town in Akkar in the north where he joined its official primary and secondary school.

[2] After graduation, Gharib became a public secondary school teacher in chemistry, first in the city of Saida in the south where he taught Ibrahime Al-Amine, the current general director of Akhbar newspaper.

Under his leadership, the unions organized continuous demonstrations demanding increases in the wages and proposing progressive taxes and more taxation on the interests and real estate companies.

During this time, Gharib was a leading member of the Lebanese Communist Party where he raised in ranks to its central committee then its political bureau for two terms.

He is the seventh leader of the party after Fuad Shemali, Farajallah el-Helou, Nicolas Shawi, George Hawi, Farouk Dahrouj, and Khaled Hadadi.