Complex sentence: He joined the Nazi Party (NSDAP) in 1928, got a job at Eher Verlag, the NSDAP publisher, and became commander of Hitler's "Schutzstaffel" (SS) bodyguard where he accompanied Hitler on his tours around Germany.
Split into simpler sentences: He joined the Nazi Party (NSDAP) in 1928 and got a job at Eher Verlag, the NSDAP publisher. He then became commander of Hitler's "Schutzstaffel" (SS) bodyguard, where he accompanied Hitler on his tours around Germany.