Original: But, for StarÄ eviÄ, the "Slavoserb" were worse than the Jews; the notion was firstly of a political nature: the "Slavoserbs" are his political opponents who "sold themselves to a foreign rule".
Simplified: But, for StarÄ eviÄ, there was a race worst than the Jews. For him, the "Slavoserb" notion was firstly of a political nature: the "Slavoserbs" are his political opponents who "sold themselves to a foreign rule".