Vertaling van "break the law of silence " (Nederlands → Frans) :

The first thing to do is to break the law of silence and have the courage to tackle the taboo on suicide as well as the many prejudices around it.
Il s’agit avant tout de rompre la loi du silence, d’oser affronter le tabou lié au suicide, d’aborder les multiples préjugés qui l’entourent.

The participants all have in common that they have lost someone close through suicide. This shared experience makes it easier to break the taboos, which, in the outside world, virtually condemn one to silence.
Ce vécu partagé facilite la levée des tabous qui, à l’extérieur, condamnent quasi au silence.