The Jedi Council has given you a mission, Ahsoka. It's your duty to see it through.
Don't you think I'm just a little overqualified for this?
According to Senator Amidala: Mandalore is a deeply corrupt world. If the cycle is to be broken, the future leaders at the Royal Academy of Government must learn the evils of corruption. Yoda feels that only a young Padawan like you can get through to them.