Voortrekker /ˈfɔɹ.tɹɛk.əɹ/ noun2 •[usually plural] A Boer pioneer, who trekked into the hinterland of South Africa during the 1830s.The Voortrekkers left the Cape Colony because of dissatisfaction with English rule. •A member of the Afrikaans scouting movement. formsVoortrekkers