A sticky thread is one which stays at the top of the respective forum, that is, which "sticks" to the top, even if no one has replied to it in a while. You can rep someone by clicking on the star at the bottom left corner of their post. I'm sure you'll know what to do after that
You're so boring....here I was preparing to tell him that he had to first prove himself worthy of giving other people reps by slaying a moderator :'(