In 1931 he became a member of the Saxon state parliament (Landtag), but his political career was cut short by the change of government and abolition of democracy during 1933.
In Zwickau Schubert assumed a leadership role in the workers' and soldiers' soviet which fought for power locally between November 1918 and January 1919.
[1][2] During the attempted Kapp Putsch against the republic in March 1920, Schubert served as chairman of the Zwickau Action Committee.
By 1924, despite economic crises and continuing widespread destitution, bourgeois democracy was still, by most criteria, in place; but the former leadership of the Communist Party had been unceremoniously removed.
Schubert therefore made a declaration to the Presidium of the parliament in March 1933 that in future he wished to exercise his parliamentary duties as a non-party member.
[6] Little is known about what happened during his period of incarceration, but after his release in December 1933 he avoided further political involvement, instead devoting his energies to helping his wife in her flower shop.