[5] In 1971 her father, Luis Millán,[6] railway worker and victim of the acculturation of the Mapuche people, moved with the whole family to Bahía Blanca for work reasons.

[5] Moira suffered racism in Bahía Blanca, both from a society that rejected "the Indians", and from a school that glorified the military as heroes who had defeated the Mapuche nation in the so-called Conquest of the Desert and enslaved[dubious – discuss] the survivors.

[5] Shortly after she began to actively spread the evangelical creed, moving to Brazil, where she participated in the Basic ecclesial community and identified with the Workers' Party (PT), led by Luiz Inácio Lula da Silva.

At age 18, in 1988, she decided to recover his indigenous roots, returning to the ancestral lands of his father, in the area of Ingeniero Jacobacci, province of Rio Negro.

[citation needed] In 1992 she joined the Mapuche-Tehuelche Organization October, which in 1996 denounced the disappearance of the rural worker from Benetton's residence, Eduardo Cañulef, a situation that has multiplied since then.

In 1999 Moira and her family settled in an ancestral Mapuche territory of 150 hectares, on the banks of the Palena River, founding the Pïllan Mahuiza community in Chubut.