Fixing her hair, the German woman gave a smile and lifted her eyebrows, as her way of acknowledging his compliment. "Are all of you mafia like this? Unsympathetic? Unfair?", Charlotte asked in disbelief and borderline curiosity, as she stood up from where she sat, and walked to the other side of the table to comfort the elderly woman. "Clearly lacking respect on every part of their being too", she commented, in addition, to Smokey's interjection about the man, as well as Joseph's displeasure of his grandmother in such distress. It was disgusting on the man's part and, for once, she actually felt quite content with the male Joestar's actions. 

Charlotte kept herself at Erina's side, until the young man came back to take her place. 
"Master Joestar, we might need to talk about this in private", she quietly suggested.