Quacksalver

n. one who practices medicine without the proper qualifications; charlatan, impostor

(n.)
One who boasts of his skill in medicines and salves, or of the efficacy of his prescriptions; a charlatan; a quack; a mountebank.
  

quacksalver /'kwæk,sælvə/
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CIARLATANO. IMPOSTORE

n. หมอเถื่อน, หมอกำมะลอ, แพทย์เถื่อน (syn. charlatan, fake doctor, mountebank, quack); คนล่อลวง, คนปลิ้นปล้อน (syn. imposter, pretender, simulator, trickster)