He became involved early on in the völkisch movement and was a fervent devotee of Adolf Hitler's ideas. Before 1933, the year of the NSDAP's seizure of power, he was judicially sentenced many times for political misdeeds.
The passage describes a person who was involved in political activities that led to legal consequences before the rise of the Nazi Party. He was a fervent supporter of Adolf Hitler's ideology, which played a significant role in his actions and convictions.