What can we say about TJ (adjectives) when he blamed the Logans for turning their backs on him due to the firing of mama and also when he realizes that the Logans were no longer his friends and even shouted that he did not need them as friends?

I was thinking that TJ kind of had no 'sportsmanship' in a sense that he's pretty much of a sore loser and could not take things lying down despite him being the root of the problem. These are my thoughts on him so please correct me if im wrong and suggest some adjectives that I could use to describe TJ based on this one scenario found in the last part of chapter 8. Thanks!