Her main work is defending the demarcation of indigenous territory and denouncing the illegal exploitation and activities of the mining and logging industries.

Korap was the first woman to lead the Pariri Indigenous Association, which brings together ten villages in the Middle Tapajós region in Pará.

[8] One of the main consequences to indigenous lives in the Middle Tapajós caused by the exploitation of this territory, and denounced by Alessandra, is the impact of mercury which is widely used in mining activities.

"[11] On the occasion, John Kerry, special envoy of US President Joe Biden, gave the keynote address, saying: The Munduruku people in Brazil are warriors in many different ways.

In the same letter, they also expressed their concern about the situation of human rights defenders in Brazil and called on the government to "make the protection of these legitimate leaders a priority" and to "do everything in their power to facilitate the work of civil society organizations".