how do you delete emails someone created on a stole phone

Someone keeps hacking all my stuff I think it is my crazy ex I am a breast cancer survivor this man told me as I was diagnosed he no longer loved me after 25 years has made my cancer fight he'll by sending his family to steal phones laptops tablets etc debit card you name it they stole it one even assaulted me none of the police reports I filed were ever done anything about he now has a PPO on me has my girls and grandchildren living in his home keeps hacking into my phones gmail etc bank accounts preventing me from being able to have normal contact with my kids and grandkids he has made my life hell I don't know where to turn for help