In small Polynesian island societies, the Pentecostal promise of a biographical invention (the "new life in Christ") has to be carried out both within the "new family" of the Pentecostal church and within everyday relationships, especially kinship. This article based on extensive fieldwork in French Polynesia examines how the process of subjective individuation and the elaboration of a "personal relationship" with Jesus take place within a complex net of intersecting social and familial relationships.