Karim Ouchikh was born into a modest family of Algerian Berber origin that had settled in France in the 1960s.

[10] However, denouncing "the hegemonic will of Florian Philippot", the SIEL ended its alliance with the FN in the Rassemblement bleu Marine in November 2016.

[13] The administrative court of Cergy-Pontoise invalidated his municipal campaign accounts on 27 October 2014 for late justification of certain invoices.

[17][18] A member of a poor Muslim family, Ouchikh converted to Catholicism[19][20] during the pontificate of Pope John Paul II, after being touched by the faith of the participants in World Youth Day in 1997.

[21][22] He claims to have acquired during his catechumen "an indispensable spiritual teaching" but also to have discovered "a Christian civilization of which [he] did not suspect until very recently the infinite wealth of".