amateur; layman; respectable woman (i.e. not a prostitute, hostess, geisha); (arch.) unlicensed prostitute
inexpert or untrained eyes
absolute beginner; complete amateur
layperson's judgment (opinion)
man who has never had sex except with sex workers
amateur's skill or performance
amateur as good as a professional
amateur theatricals; amateur dramatic performance
home remedy; medical treatment by a layperson