The protagonist is the doctor/deaths godson. He is a young man and becomes a rich and famous doctor. People love him because he saves people. "If only I could deceive death once".
The antagonist is death/godfather. He is withered and cold. He makes everyone equal, he is good to his godson by making him rich and famous. He forgave his godson one time but was a man of his word the second time. He got revenge by letting his light go out. "as he desired to revenge himself, he purposely made a mistake in fixing it, and the little piece fell down and was extinguished".
The doctor/godson is in conflict with death because he wants to cheat death. Death dosent allow it and lets his candle go out. "Light a new one for me".