The communities like preventive contexts and support. An action-research (by Angela Maria Di Vita, Maria Garro, Aluette Merenda) - The communities, for minor or adults circumscribed to multiproblematic contexts, represent one of the preventive answers. The objects of the research, enclosed within a wide project, have previewed the analysis of the context of 10 communities inside the sicilian territory. We have applied some instruments to the analysis of a) social support index, to inquire the tipology of the received social support and the sense of belongings to the community (My Family, My Friends, Reid et al., 1989; Zappulla et al., 2000), for the subjects until the 12 years of age; Social Support Index, McCubbin et al., 1982, for subjects of 13-20 age) and b) professional and emotional difficulties, using a questionnaire (Barberis, 2001) finalized to observe the educational operativity. The results turns out on one side, a preference towards the educators, with which it comes shared the daily space, and a strong feeling of belongings to the respective families. About emotional difficulties, they are emerged mainly: indignation, misfortune, horror and anger towards the adult in charge of abuse (21%). Regarding the modalities of reaction to the own ones, appear like more recurrent: caution (13%) and negation of the truth of the abuse (12%). Keys words: prevention, social support index, emotional difficulties