A person who has taught themselves rather than being formally educated.

आत्म-शिक्षित व्यक्ति

English Usage: She is a self-taught artist who creates stunning pieces without any formal training.

Hindi Usage: वह एक आत्म-शिक्षित कलाकार है जो बिना किसी औपचारिक प्रशिक्षण के आश्चर्यजनक कलाकृतियाँ बनाती है.

Describing someone who has learned a skill or subject on their own.

आत्म-शिक्षित

English Usage: His self-taught programming skills impressed the tech company during the interview.

Hindi Usage: उसकी आत्म-शिक्षित प्रोग्रामिंग क्षमताएँ साक्षात्कार के दौरान तकनीकी कंपनी पर प्रभाव डाल गईं.