The present study was accomplished in the Universidade Aberta da Terceira Idade - UnATI/UERJ, tends for objective to understand the meaning of the phenomenon of the friendship, in the perspective of the rights, privileging your political dimension, while action developed in the spaces public and private, for the seniors of the Projeto Idosos Colaboradores, coordinated by the Social Work, through a revision of the literature and of an empiric research accomplished close to the referred senior. The research was developed through the qualitative methodology, leaning in the case study, through the deposition in interviews semistructured with seniors, in the age group among 64 to 82 years of age. The present study is based fundamentally in Hannah Arendt political theory. The principal results reveal the great importance of the friendship for the seniors, whose definition, characteristics, dimensions, they were understood in a similar way among them, that they also value the friendship as source of social support, associated to the good to be subjective, solidary action, fraternity, right and to owe and action in the public space for the dialogue frank, open and sincere of several content, besides on politics.