well
depends what style u want to draw photorealistic or abstract,and there is a different between draw and paint,orion paints more,im drawing

if u want to draw just try to draw any shit what u see,teh cover of a book etc, u need to learn how to draw proportions,
titsize etc..... oh srry

well just learn first how the proportions and looking of a human must be drawn,if u want to paint,there are differnet techiques with brush,to paint,look in internet,or youtube,there are some tutorials

and keep practicing like orion said ^^