I operate a free book-lending library which is funded by donations of money and of books. Somebody donated some books to the library that state inside that it is not permissible for libraries to lend ...
I will pose this general question by presenting the following scenario: Reuvan works for Shimon. One time, at the end of the day, when Shimon came to pay Reuvan for that day's work (which was $100.), ...