闇やみ医い者しゃ

noun

back-alley doctor; unlicensed doctor; quack

Refers to a doctor practicing without a proper license, often in an illegal or underground setting. Carries a negative, shady connotation.

• 彼かれは闇やみ医い者しゃに手しゅ術じゅつを受うけて、ひどい目めにあった。

  He had a terrible experience after undergoing surgery by a back-alley doctor.

• その地ち域いきでは闇やみ医い者しゃがまだ活かつ動どうしているらしい。

  It seems unlicensed doctors are still operating in that area.