One learns on the job (10)
I believe the answer is:
apprentice
(Other definitions for apprentice that I've seen before include "Trainee" , "Learner" , "Novice" , "new worker" , "student" .)
I believe the answer is:
apprentice
(Other definitions for apprentice that I've seen before include "Trainee" , "Learner" , "Novice" , "new worker" , "student" .)