Good hygiene, good looking, I've been lifting for 7 years and have a lean and muscular physique.

It's difficult for me to make friends. I'm quiet especially in groups and with people who do not show interest towards me. I am scared to talk and be ignored or be judged and made fun of

It's difficult for me to be comfortable in my skin and have fun.

How can I improve? Are there any good resources that will give me good advice to change?