Sahiba
No. Sahiba is not a Quranic proper name; it derives from the Arabic noun صاحبة used in general language and titles.
Yes. Sahiba is historically used as an honorific and sometimes as a given name in Pashtun and broader South Asian Muslim communities.
They are the same word rendered with different transliterations; both reflect Arabic صاحبة and are pronounced similarly.
Yes, for families seeking a traditional, respectful name with historical usage in South Asia and Pashtun cultures; it is uncommon today.
Linguistically it can mean 'one who possesses' but culturally it is often used as 'lady' or 'companion' without a literal ownership implication.