Here's what Merriam-Webster says about "apprentice":
1. a : one bound by indenture to serve another for a prescribed period with a view to learning an art or trade.b : one who is learning by practical experience under skilled workers a trade, art, or calling
2: an inexperienced person : novice "an apprentice in cooking"
You may also consider Prentiss/Prentice, an English surname which is occasionally used as a first name. It is an occupational name for an apprentice.