abuser
US
UK abuser n: as suffix (person who misuses drugs, etc.)
SC 吸毒者 xī dú zhě
SC 滥用药品者 xī dú zhě，làn yòng yào pǐn zhě
The man arrested by police in connection with the theft is a known substance abuser.
abuser n: (person who bullies [sb])
SC 施虐者 shī nüè zhě
This helpline is open to anyone living with an abuser.
abuser n: (person who sexually abuses [sb])
SC 施虐者 shī nüè zhě
SC 虐待者 shī nüè zhě，nüè dài zhě
In the vast majority of cases, the abuser is known to the victim.