An employee who has learned that their employer expressed, in insulting and antisemitic terms, a highly unfavorable opinion about them in front of a colleague is legitimately entitled to claim that such conduct makes it impossible to continue the employment relationship and that the termination is attributable to the employer. Articles L.8223-1 and L.8221-5 of the French Labor Code

Art. L.8223-1, L.8221-5 du Code du travail