Do I think it's right? No.
Do I think it's honourable? No.
Do I think you are out of luck? Probably so.

I always live by the standard to never lend money that you can't afford to lose. Buying something for someone would fall into this category as well.

If this "master" is unwilling to stand up and do the right thing, I suspectyou are probably just going to have to chalk it up as a learning experience.