The establishment of living spaces for youngsters in poor neighborhoods, which have a fundamental rule of non-exclusion, raises thorny questions about the social and cultural treatment of their life together. What tools do we have for managing this ? How do we use the energies drawn from our desire to do good ? How to we imagine the training of an educator that would answer the challenge of unconditional acceptance ? In Jerusalem, the creation of youth centers with their rules for living, under the aegis of the Beit Ham association, shows us a singular and sometimes stuning experiment where the cultural object often serves as a hyphen bridging the gulf between people.