This player might ask you to be his/her "virtual bf" and soon afterward, insinuate you give him/her stuff. I find this behavior to be somewhat reprehensible, especially since there have been multiple instances of this behavior, and thus decided to warn other players.
Note: this post has been edited because the previous sounded confrontational.
Note: this post has been edited to remove player names
Bad-mouthing other players on the forums is a no-no, regardless of their actions.
You may want to warn others, but this is not the way to do it.