We have those 'background' runs for all players, so even if there's no money in it for one player, it means that if you help the others with their problems, you will get help when yours catch up with you. Maybe do a run like that with background of the player who had problems with it first and if you do one for one of the others and he doesn't want to join in, remind him that the others did it for him and that he owns them a favour for it.