An apprentice.
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Apprentice, is normally a person undergoing formal training
A person learning a trade is an apprentice.
A trader
a traditinonal person
Someone who is slow at learning
An apprentice
A scholar. A student is also a person of learning.
a nerd and a geek
illiterate
A lifelong learner or autodidact.
A person that was working under an expert trader was called a apprentice.
To learn a trade during the Middle Ages, a boy would live with a person who is trained in a trade he desires to learn about. The boy lives and works with the trained person as an apprentice.