Your character's been approved in the signup thread. You may begin roleplaying with him whenever you'd like, but there's also a thread for Master-apprentice requests here: Training Request Thread
Fair enough, but just look up things before joining a thread. Even if someone asked you to join, check what type of thread. Then check who created it. also you might want to fix your character, I left a comment there, just so you know.
If you didnt know the thread you replyed in before was taged [Ask] http://www.thestarwarsrp.com/forum/showthread.php?t=30449
That is the basic well information on what type of threads there are on this site when it comes to roleplays, please follow them then best you can.