Youtube, Evanto Tutplus and other sites these days have many tutorials that teach you how to build a Wordpress theme from scratch. I learn from them a lot.
Another way to learn theme development is finding a WordPress job :D
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
How to learn theme development in WordPress?
Youtube, Evanto Tutplus and other sites these days have many tutorials that teach you how to build a Wordpress theme from scratch. I learn from them a lot.
Another way to learn theme development is finding a WordPress job :D