Welcome Sinboi hang in their , ask your parents about the 1947 awake which said disfellowshipping was a pagan practice. Ask them was god directing the writings in that awake or how did they come to the conclusion it was pagan. Ask your parents how come Jesus immediate family didn't shun him because he apostatised from the Jewish faith. Ask for one example that Jesus shunned any former believers.
Logic and sound reasoning doesn't exist in wt land. I'm a little afraid of telling you that you may end up another orphan on this forum who we are proud to adopt as our new son , again welcome.