As a gangster, Du Yuesheng can be said to have a very high social status in society, and gangsters like others to address him in a nicer way. So outsiders call him Mr. Du, and he himself feels very happy, which also reflects the respect that other people in the society have for him.
Many people in society come to him for help, because the gangs are in charge of the affairs of various religions, and it is easier to get started in some aspects. Moreover, Du Yuesheng is also a relatively capable person, so calling him Mr. Du in society is also a sign of respect for him. At first, Du Yuesheng took refuge under Huang Huangrong of Shanghai Bund Youth Gang. Because of his wit and bravery, Huang Huangrong put him to good use. In the end, he slowly climbed up step by step and became the leader of the Youth Gang.
And Du Yuesheng is a very particular person, so calling him Mr. Du is in line with his status. Moreover, in 1931, when floods occurred in various places, Du Yuesheng took the lead in raising funds. At that time, he invited the famous Peking Opera master Mei Lanfang to help him raise funds. So from this point of view, although Du Yuesheng is a gangster, he is also a kind person. Therefore, he has won the recognition of the majority of the people. He is a kind and righteous person in society. He is not only generous, but also a very prestigious person in society.
After the Japanese army launched the July 7th Incident, many people were displaced. Du Yuesheng immediately used his momentum to establish the Anti-Japanese War Relief Society, and at the same time donated money to build many hospitals and schools. Because he believes that at any time, a country’s education cannot be lost. His various actions have won recognition from prominent people in society. So people call him sir, not gang leader.