Sentenced in 1935 to 16 years in prison for treason against Lithuania, he was pardoned in 1937 and became a pastor in Wismar in Mecklenburg.
[1] After becoming a Lutheran minister, Sass was appointed as a chaplain at Königsberg, before he took over the management of the family estates at Komalmen and Kattreinen.
After they were leased, he became a journalist and editor-in-chief of the Marienwerdersche Nachrichten, a newspaper in Marienwerder, a town in West Prussia.
A member of the church council and the synod of the Church of Memelland, in Memel he founded a YMCA, a Jungeschar, or youth organization for children between about nine and thirteen, and the Deutsches Jungvolk, and became leader of the newly formed Union of Christian Socialist Workers of the Memel Region, which was close to National Socialism.
[2] On 22 February 1933, this political grouping took part in the elections to the Seimelis of the Klaipėda Region, the Lithuanian name for Memelland, and won them.