The indians acts as juridical subjects established in the 1988 Constitution evolves problems related to the organizations characterized as corporate actors within a process of ethnopolitical representation. In the examination of social representations about indigenous participation within the juridical field, the native categories are analysed from an anthropological view. This approach is constituted by the comparison between definitions formulated in different discourse formations, configured within the political field, the indigenist field and the juridical field. The goal is to understand why the new juridical formulations do not deal with the tutelary subject while the protection theme is still stressed. The exercise of politics by the Ticuna is an interesting example to discuss these questions.
