A trainee, especially in a skilled trade.

One who is bound by indentures or by legal agreement to serve a tradesperson, or other person, for a certain time, with a view to learn the art, or trade, in which his master is bound to instruct him.

One not well versed in a subject; a tyro or newbie.

To put under the care and supervision of a master, for the purpose of instruction in a trade or business.

"He was apprenticed to a local employer."

To be an apprentice to.

"Joe apprenticed three different photographers before setting up his own studio."