Vertaling van "which the latter lives through " (Nederlands → Frans) :

It is existential because it has to do with the subject’s entire existence, the way in which the latter lives through it and in which he/she experiences the relationship with the social, emotional, and professional environment.
Existentiel parce que le problème touche à l’ensemble de l’existence d’une personne et concerne la manière dont elle se vit et vit sa relation à son environnement social, affectif, professionnel.

It should allow suicidal individuals to deduce the meaning of the crisis they are going through from their life stories, to become aware of the repetitive patterns which they themselves and those around them are faced with and, on that basis, make changes in their personal and family lives.
Il permettra au suicidant de replacer le sens de sa crise dans son histoire de vie, de percevoir les fonctionnements répétitifs auxquels lui-même et son entourage sont confrontés et, partant de là, d’opérer des réaménagements personnels et familiaux.