Attracted by religious life, he finally married the actress Siffreine Michel and was the father of four girls and two boys.

He is a professor of philosophy and literature at the private high school Sainte-Jeanne-d'Arc, in faculty at the Institute of Comparative Philosophy in Paris, and at the seminary in Toulon (Var)1.

Friend of the Italian movement "Communion and Liberation", of which he is however not a member, he has been going for several years to the annual Meeting of Rimini, in August: in 2010, he gave the closing speech in front of nearly 25,000 people . After having lived near Brignoles, in the Var, he has lived since August 2012 in Friborg in Switzerland where he directs the Philanthropos Institute founded by Yves Sémen.

In 2010, he was at the origin with Pierre Gelin of "Dimanches de Cana", an initiative which aims to live Christianly and as a family on Sundays, through celebrations, meals, dance, theatre, culture, play, prayer, etc. The Sundays of Cana have launched a parallel philosophical journey, called “Parcours Bêta”, a series of lectures given by Fabrice Hadjadj. In 2010-2011, the course has the theme: “Why do we live? In 2011-2012, Fabrice Hadjadj chose to tackle "the mysteries of sex".

In January 2012, Fabrice Hadjadj was announced as the new director of the European Institute for Anthropological Studies Philanthropos, in Fribourg. He will take office at the start of the 2012-2013 school year, just after moving to Friborg with all his family.

In 2006, he was the recipient of the Catholic Grand Prize for Literature for Succeeding His Death. Anti-method to live.

In 2009, he received the Prix du Cercle Montherlant – Académie des Beaux-Arts for The Mystical Lamb, the altarpiece by the Van Eyck brothers.

In 2010, the Prize for Religious Literature was awarded to him for The Faith of Demons.

In 2013, he was the winner of the "Spiritualities of today" prize, thanks to his book How to speak of God today.

On February 6, 2014, he was appointed member of the Pontifical Council for the Laity.