malpractitioner
/ˌmælprækˈtɪʃənər/
noun
- A professional (such as a doctor or lawyer) who fails to perform their duties properly, often causing harm or loss to a client or patient.
- The lawyer was labeled a malpractitioner for mishandling several client cases.
- The hospital fired the malpractitioner after the investigation found serious errors in patient care.
- A malpractitioner can lose their license to practice if found guilty of negligence.