Well to level up you need to farm , there is a lot of methods here.
About staff positions , we don't really need any new staff member till "Staff Admin" Liz recruits for new ones. Also there is alot of requirements to be a staff member. Most sections requirements are :
Must have at least 800 posts. NO EXCEPTIONS
Must be able to test all uploaded files, for any security risks and advertisements.
Must be familiar with and a regular in the section(s) they're applying for.
Must have at least 4 months in the site.
Must help the section continue to grow.
Must have proven BEFORE the applications a willingness to assist & contribute to section.
Must be able to not only uphold the rules of the site, but abide by them.
Must be EXTREMELY Active
Must speak English well.
Can't help you about clans , since i don't play AvA