I’d say Sodapop has positive self-esteem. The second part of this question is a little more difficult for me to answer but I know Darry treats him well and he and Soda have a good relationship, so maybe that helped Soda have good self esteem.
Believe in yourself. Know your rights. Decide what you want, Get the facts. Planning strategy. Gather support. Target efforts. Express yourself clearly. Assert yourself clearly. Be firm and persistent. Here's a list of 10 examples.
