[2][6] Dantas migrated to Spain in 1994 in order to study environmental law.
[2][6] She was an undocumented migrant and worked in various jobs over 15 years – as a maid, nanny, old age carer, dog walker, waitress and Portuguese teacher.
[3][8] Soon after arriving in Spain Dantas became an activist against xenophobia, racism, fascism and homophobia and supporting immigration and human rights.
[4] She is a member of Unity Against Fascism and Racism (Unitat Contra el Feixisme i el Racisme) and is a member of the boards of Centre Internacional Escarré per a les Minories Ètniques i Nacionals (CIEMEN) and Confederació d’Associacions Veïnals de Catalunya (CONFAVC).
[9] Her activism has led to death threats from supporters of Brazil's far-right president Jair Bolsonaro.