Answer: substitute

AnswerCrossword Clue
SUBSTITUTEGo in (for)
SUBSTITUTEFill in (for)
SUBSTITUTENonpermanent teacher.
SUBSTITUTEUnderstudy.
substituteA sports player nominated as eligible to replace another after a game has begun
substituteto put or use in the place of another
substituteA person or thing acting or serving in place of another
substituteA person or thing that becomes the object of love or other emotion deprived of its natural outlet