Margarida was born in Massinga and moved to Maputo when she was 2 years old. She was educated at Namaacha Secondary School and has since worked as an environmental activist in every district of Namaacha. Her work experience includes domestic violence prevention programs with AMOPROC (Associacao Mocambicana para Promocao da Cidadania) and work with ASSOTSI (Associacao dos Operadores e Trabalhadores do Sector Informal), where she served as president for 5 years and was trained in small business management.