This article reflects on the endeavor of family farmers Settlement Project Belo Horizonte (BH PA), located in southeast Para, to "keep" their collective identity and build of the territory of living from 30 years. The productive trajectories chosen by families, the height of productive systems, their decline, as well as the implementation of alternative production activities, show the dynamics of construction of the identity and the territory by family farmers. The build of diversified productive system, of the territoriality and the corresponding identity, make us reflect about the ethnicity situation of the group for to fight the appreciation and recognition of difference against universalizing public policies, socio-cultural diversity in the Territory Southeastern Para-Brazil. The analysis is based on direct intervention experiences with the group, interviews with key people (events of the protagonists), direct observation and the notion of ethnodevelopment.