Motivation letter but i am not perfect help?

im masemola lebo from masemola village limpopo province ,studying at university of johannesburg doing national 2nd year in accounting diploma.

i am good student ,meaning that i am hard worker ,responsible & creative person . what i want is challenges in to face it until i am getting what i want[ eg mathematics u can use many method one thing] who one day want to see my self having better future because of my career .my only problem is that i am from poor family having mother only my father past away