apprentice

olla opissa

aloittelija, oppipoika A trainee, especially in a skilled trade.
puhekieltä 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.
puhekieltä One not well versed in a subject; a tyro or newbie.
puhekieltä To put under the care and supervision of a master, for the purpose of instruction in a trade or business.
puhekieltä To be an apprentice to.

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