What are those and how can i pass them?

Go here to get online support about Gradations:
http://forum.toribash.com/chat_view.php?channel=Unibash

Art Graduation:
http://forum.toribash.com/showthread.php?t=214697
Clan Graduation:
http://forum.toribash.com/showthread.php?t=215189
In-game Graduation:
http://forum.toribash.com/showthread.php?t=253035
Market Graduation:
http://forum.toribash.com/showthread.php?t=239180

You can raise your achievements progress by earning them.

It's a graduation Achievements that test how "Worthy" are you in some area. If you are Really worthy on it's field, you will received the achievements. but you have to answers all of the questions about what are you interested at. for better info, just go to irc channel #Unibash.