A South African citizen from a Jewish-Lithuanian family, Slovo was a delegate to the multiracial Congress of the People of June 1955 which drew up the Freedom Charter.
Isakhamuzi saseNingizimu Afrika esiqhamuka emndenini wamaJuda-Lithuanian, iSlovo besiyisiphathimandla kwiCongress of Nations People of June ngoNhlangulani 1955 eyasungula i- Charter Freedom .