The questions you ask need reams to answer. I am not a reamer.
I have been studying this issue for a number of years. Trust me. This is not a paragraph answer. It is a book.
I hope you are kidding. Then you continue on with two other separate examples of what we are supposed to answer. WHAT IS THIS AN ENTRANCE EXAM FOR A RHODES SCHOLAR APPLICATION????
I am weary of hearing the term 'Good Samaritan', especially from the media. It seems any time someone helps another he/she is called one. Wow...that guy opened the door for me. He must be a Good Samaritan. If he didn't open the door would he be a bad one? I'm sure there were plenty of bad ones. I would help someone in the street who was unconscious and bleeding.