unskilled practitioner

See: layman
References in periodicals archive ?
Quinn said that the industry has really boomed, especially in the past six months or so, and unskilled practitioners far outweigh skilled ones.
The Catholic press has suffered too long at the hands of well-meaning but untrained and unskilled practitioners.
Complex socioeconomic and behavioral factors associated with antibiotic resistance, particularly regarding diarrheal and respiratory pathogens, in developing tropical countries, include misuse of antibiotics by health professionals, unskilled practitioners, and laypersons; poor drug quality; unhygienic conditions accounting for spread of resistant bacteria; and inadequate surveillance.
Solinger includes the shocking details of abortions performed by unskilled practitioners whose victims were left bleeding and terrified, with serious infections or permanent injury.