It would technically depend on the terms of probation, but most likely no. However, most probation officers are happy to answer your questions...

Why would I pay 300 dollars to Kohl's for shoplifting. When I was never arrested or even written s court summons?

I'm not sure I ever found the true question in this post, but I think you are asking if you have to pay the $300 to Kohls. That would depend on...

Unless his Aunt is somehow tied to the money your friend lent you, it would seem unlikely she has grounds to sue you. You friend can bring a suit...