What impression do you get of JERRY FISHER fom the story "Keeping It From Harold"?

Jerry Fisher was associated with Mr. Bramble as his coach for boxing for several years. However, he turned out to be revengeful because he thought that the man who was trained for championship had opted out. He was extremely angry and projected violent emotions when he came to know that Bramble would not be fighting. He, to take revenge, revealed the long hidden truth in front of Harold. Jerry was a man of principles, holding his name and fame in hands. He could not let go of everything because of Bramble. Therefore, he turned out to be revengeful which in turn turned out to be fruitful.