pardon me,i want make official website. and that are most important role :
first (author) , user can post their content (i know wordpress already have that feature). author can not publish content in public.
second (validator, i thank that name), user can see content from the first role (author) and add comment. if content good enough that content can pass to third role.
third. (publish), user only can see content from first role. add publish it
how i add cutom function role on wordpress?
ps: sorry for my bad english.