subprofessional

adjective

sub·​pro·​fes·​sion·​al ˌsəb-prə-ˈfe-sh(ə-)nəl 

: functioning or qualified to function below the professional level but distinctly above the clerical or labor level and usually under the supervision of a professionally trained person

subprofessional noun

Word History

First Known Use

1941, in the meaning defined above