1. [n]  works for an expert to learn a trade
2. [v]  be or work as an apprentice; "She apprenticed with the great master"

Apprentice
When the serial killer known as the Surgeon was put behind bars by Boston cop Jane Rizzoli, she thought that that was the end of his reign of terror. But now, new bodies are piling up and it looks like the surgeon had a student....

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1. \Ap*pren"tice\, n. [OE. apprentice, prentice, OF.
   aprentis, nom. of aprentif, fr. apprendare to learn, L.
   apprendere, equiv. to apprehendere, to take hold of (by the
   mind), to comprehend. See {Apprehend}, {Prentice}.]
   1. One who is bound by indentures or by legal agreement to
      serve a mechanic, 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.
   2. One not well versed in a subject; a tyro.
   3. (Old law) A barrister, considered a learner of law till of
      sixteen years' standing, when he might be called to the
      rank of serjeant. [Obs.] --Blackstone.
   

2. \Ap*pren"tice\, v. t. [imp. & p. p. {Apprenticed}; p.
   pr. & vb. n. {Apprenticing}.]
   To bind to, or put under the care of, a master, for the
   purpose of instruction in a trade or business.