She founded the Federación Ecuatoriana de Indios (FEI) in 1944 with the help of Ecuador's Communist Party.
[2] Dolores Cacuango was born in 1881 in San Pablo Urco on the Pesillo Hacienda near Cayambe, Ecuador, of parents of indigenous heritage.
At the age of fifteen, she worked for the owner of the hacienda as a domestic servant and was struck by the disparity between the living conditions of the landlords and the peons.
[3] During her political life, she led many rebellions against the systemic abuse of the owners of haciendas (hacendados) and their administrators.
She was a key figure in the indigenous struggle leading towards the Land Reform law in Ecuador, which was promulgated in October 1973.
He used to sit near a lawyer's office while eavesdropping on their conversations, which led to him reporting the creation of a law protecting indigenous people to his local community in Cayambe.
During her last years, she became paraplegic and lost a significant amount of weight, making her unable to visit local communities and organizations.
[6] During the May 1944 Revolution in Ecuador, Cacuango personally led an assault on a government military base.