March to the beat of your own drum. Don’t just do you things because you think that’s what someone your age should be doing or how they should be acting. Be your authentic self and don’t get mad at others for being their authentic selves, even if their thoughts/actions doesn’t align with what you believe in.
Remember that most people are good people, but they have had different experiences that help shape their thoughts. They want what’s best for themselves and their community and they probably have different ideas from you as to how to get there. Withhold judgment of others and focus on being the best, most forgiving version of yourself.