Don't feel intimidated; everyone starts somewhere.
As for the sprite, well, the backpack lacks any sort of shading, and the lower body is pretty unreadable. Also, I've noticed that you've enlarged the sprite, but the purple parts on the backpack don't match the enlarged pixel size...It looks off. Aaaand, your color shades seem to lack contrast (I think that's the right term?)
Keep at it.
As for the sprite, well, the backpack lacks any sort of shading, and the lower body is pretty unreadable. Also, I've noticed that you've enlarged the sprite, but the purple parts on the backpack don't match the enlarged pixel size...It looks off. Aaaand, your color shades seem to lack contrast (I think that's the right term?)
Keep at it.