Right now, all Robin knows is that the group he is assisting is stealing silver bars from Oxford. He doesn’t know why they are doing it, and he doesn’t even quite know why he chooses to help them. His hesitancy about alerting the authorities about the theft, though, signals again that Robin may have misgivings about Oxford as an institution, and those misgivings then manifest themselves in his willingness to help people who are acting against the institution in some way.