Just don't see that person
Do not allow them to reach to you, or get to you. Block all communications.
who ever it is just stay away from them, if they are doing intentionally
With her finger tip. She should call the police.
Seek the support of the people that care about you. If any of them know the person attempting to injure you, they should know what is happening, but you need not elaborate. Make whomever that is a non-person in your life.