#4 has happened to me before, even after being in a group for a week, the group members ignored my requests to roleplay.
However, I don't blame them. In said group, almost everyone online(up to six people) is in the conversation, so the chat moves by quickly, and my inquiry to roleplay could easily be missed.
I would never do the same to someone else, and if I can roleplay or know the map password or how to get it, I will always tell the newbie.
I hate people who disrespect their fellow players, and I love that you posted this! I've been on FeralHeart for almost two years now, and I've always been kind to new players and pointed in them in how to get things like Mass Markings to avoid the annoying marshmallows, and the most popular item pack(Legendary Items). All I've ever seen are kind people, and people who are eager to help.
I hope this post makes people think twice about the things they're doing on FH, or any roleplaying site/game.