اسماء ضمائر of Arabic has no term for اسم ضمیر - آپ of Urdu.So what is the “Aap” in Arabic ?
Like الضمائر الشخصية of Arabic has انت and انتی , which is not found in Urdu or English. Every language has limits and that's why there's no word to word translation from one language to another.
Check the comparison below for same personal pronouns الضمائر الشخصية in Arabic and German. There are terms in German, which lack in Arabic and there are terms in Arabic, which are not found in German.