a person who works for another in order to learn a trade

an apprentice to a plumber.

History/Historical . a person legally bound through indenture to a master craftsman in order to learn a trade.

a learner; novice; tyro.

U.S. Navy . an enlisted person receiving specialized training.

a jockey with less than one year's experience who has won fewer than 40 races.

to bind to or place with an employer, master craftsman, or the like, for instruction in a trade.

to serve as an apprentice

He apprenticed for 14 years under a master silversmith.