Anybody will to teach my brother (NappleApple25) how to play well?

Please do.

Can try. No guarentee

How good is he and what does he need to learn really?

He needs to learn about like, everything accept how pieces move.

@HmmThisIsFine said in #4:
> He needs to learn about like, everything accept how pieces move.
Whats his exact rating!!..is he a beginner or a intermidate??...and why are u banned??

Beginner, and probably around 600

lichess.org/blog/V6tUiSgAAIUHHmVL/how-to-start-learning-chess is probably what your looking for.