While Joseph and Avdol were fighting with Mariah, Jotaro gets concerned that they haven't shown up yet, and goes to look for them around Luxor. Then, Polnareff senses someone following them and confronts the man.
I'll show you what happens 
when you disrespect adults.
سأريك ماذا يحدثُ عندما تقلِّلُ من احترام الكبار
Je vais t’apprendre à respecter
les grandes personnes, moi !