Reichsbürgerbewegung → Κίνημα των Πολιτών του Ράιχ
Reichsbürger → Πολίτες του Ράιχ
Reichsbürgerbewegung ("Reich Citizens' Movement") or Reichsbürger ("Reich Citizens", the German word is the same in singular and in plural) is a label for several anticonstitutional/revisionist groups and individuals in Germany and elsewhere who reject the legitimacy of the modern German state, the Federal Republic of Germany, in favour of the German Reich, which existed from 1871 to 1945.
Reichsbürger movement - Wikipedia