 Complete the following phrase:  On November 28, 1903, Vedder boarded the SS Helene Woermann on the Woermann-Linie for German South West Africa. On December 27 of that year, Vedder and his fellow missionary Friedrich Fritz Eisenberg disembarked at the beach near Swakopmund and traveled on foot the 30 km to Walvis Bay. In the wooden church of Walvis Bay, he preached his first sermon on African soil in Dutch with a schoolmaster interpreting in Khoekhoe. He then left with a Dutchman, the Rev. Hermann Nijhof Nyhof, for Rooibank Scheppmansdorp on the banks of the Kuiseb River, where some impoverished Nama people lived who could teach him Khoekhoe. Since there was no authoritative primer on the language, Vedder worked with a pair of linguistically gifted missionaries to write the first such work. In February 1904, six weeks after the outbreak of the 