That's right Yisrael, Dutch is the language that they speak in the Netherlands. Dutch can also meen the Nether people itself.
South Africa was settled by Dutch-however, the majority of the first settlers, were actually Germans, French and Dutch-in that order is the highest numbers of each nationality.
When the settlers settled the Cape, they all sopke Dutch. However, as time went by, German, French and Dutch was thrown in the same pot, to create a new language-Afrikaans.