substance abuser

someone who regularly uses illegal or harmful drugs
کسی که به طور منظم از داروهای غیرقانونی یا مضر استفاده می کند
سوء مصرف کننده مواد
About 70 percent of the street homeless are mentally ill or substance abusers or both.
... [مشاهده متن کامل]

Often, substance abusers leave jail, relapse into drug use and criminal activity, and return to jail.
Most substance abusers are in denial.