أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
First of all I have to investigate myself by all the means then take the help with the staffs to avoid any mishappening, and involve the security person also.
If failed to find out then inform to the administration and higher authority and by their permission I have to inform the police and enforce the law of the land
The steps of work can be done as follows: