You would be legally bound to the master for a period of years (often seven) after which time you would become a journeyman, then ultimately a master yourself.
10Ka lemo tse tsheletseng, o tle o jale tshimo ya hao, o be o kotule tse bewang ke yona; 11ka sa bosupa, o tlo o e tlohele e lale, e phomole, hore mofutsana wa tjhaba sa heno a je, mme ho salang ho jewe ke diphoofolo tsa naha.