 
<translate> Mmadụ na-abanye n'ụlọ akwụkwọ iji nweta ihe ọmụma metụtara ọrụ dị iche iche. N'ihi ya, azịza ya bụ inweta ihe ọmụma. <eng> A person joins school for gaining knowledge related to various trade fields.
Therefore, the answer is gaining knowledge. 