abuser

noun
1
a person who makes bad use of something or uses so much of something that it harms their health
سوءمصرف‌کننده, استفاده‌کننده نادرست
2
a person who treats another person or animal in a cruel or violent way, especially sexually
متجاوز, آزارگر, خشونت‌گر, ظالم
a child abuser
3
a person or an organization that uses power or knowledge unfairly or wrongly
سوءاستفاده‌گر, سوءاستفاده‌کننده, استثمارگر, بهره‌کش, ظالم
The country is a notorious abuser of human rights.