Volksdeutschera Nazi term for a person of German ancestry living outside of Germany.
They did not have German or Austrian citizenship as defined by the Nazi term Reichsdeutscher. Nazi Germany made great efforts to enlist the support of the Volksdeutshe, who constituted minorites in several countries.
Nazi Germany received support from the Volksdeutsche; hundreds of thousands joined the German armed forces,including the SS.
Encyclopedia of the Holocaust.