lawyers, doctors, and priests, I believe. See i.e. > Medieval and early modern tradition recognized only three professions: divinity, medicine, and law,[5][6]

lawyers, doctors, and priests, I believe. See i.e. > Medieval and early modern tradition recognized only three professions: divinity, medicine, and law,[5][6] which were called the learned professions.[7] A profession is not a trade[8] and not an industry.[9] https://en.wikipedia.org/wiki/Profession https://en.wikipedia.org/wiki/Profession