In this article, we attempt to shed light on how, placed by the law in a situation of identity suspension that is "impossible to bear," unaccompanied minors (UAMs) can construct themselves, caught as they are between a unique personal identity that they know they must mourn in order to be able to stay in the territory, and a projected identity, also constructed by and within the fantasy of the Other. In this context, we consider the possible scope (...) for a relationship between UAMs and social workers or volunteers, and how the understanding of the topology of the Borromean knot can be used in the training of social workers and volunteers. (shrink)