独学者
1.a person who has learned a subject without the benefit of a teacher or formal education; a self-taught person.
You could have presented yourself as being self-taught, the product of your own worthy efforts, there's nothing to be ashamed of, society in the past took pride in its autodidacts …
Autodidact can be traced to the Greek autodidaktos meaning "self-taught." The combining form auto- is used in formation of compound words and means "self," "same," "spontaneous."