Does Rosli Dhobi a murderer or a hero?

Even though his action towards the incident was aggressive but, most of people know that he really and sincerely tried to help his country and all citizens to be free from the hand of the British. But still, there are also some people who tried to ignore what he did and state him as a murderer and not a hero. His action somehow had been summarize as a hero of Sarawak and his history will remain appear in his country and will be an example of all people in other state in Malaysia and Sabah.