How to deal with an introverted person that keeps avoiding any kind of confrontation?

Does anyone has any tips that could get an introverted person to communicate more naturally?
I can feel the anxiety and stress that makes some people avoid confrontation, or engaging conversations, sometimes they even run away from the subject, or from the room!!!
Being an extroverted person is not easy to deal with this invisible issue and I often also end up avoiding this “type” of people… :( So I was wondering if anyone knows anything that would help me to better understand them.