Simplify the following text for a Grade 6 native English-speaking person.
Original: One person who was targeted was Dr. Satyapal , who had served with the Royal Army Medical Corps during World War I. He advocated non-violent civil disobedience and was forbidden by the authorities from speaking publicly .
Simplified: One person who was targeted was Dr. Satyapal , who was in the Army Medical Services during World War I. He was in favor of non-violent civil disobedience and was stopped from speaking in public .