Madame de Fervaques would have been as much scandalised by any unexpected movement or any lack of self-control, as by a lack of dignity towards one's inferiors.
Walter thought with a mild amusement how scandalised poor Serge would be if he could witness the treatment to which his adored Toby was being subjected.
Now he retreated down the aisle, blowing his nose with loud trumpeting noises that drew scandalised looks from some, including, Harry saw, Dolores Umbridge...but Harry knew that Dumbledore would not have cared.