Munqidh
Yes. Munqidh is formed from Arabic morphology (منقذ) meaning 'rescuer' and is attested historically in medieval biographical names such as the patronymic seen in Usama ibn Munqidh.
No. Munqidh as a proper name does not appear in the Qur'an; it is a classical Arabic participial form used in historical names.
Yes; it is linguistically and culturally appropriate for Muslim naming, though it remains rare and has a distinctly classical/medieval feel.
Yes. The medieval Syrian figure Usama ibn Munqidh (12th century) bears a patronymic demonstrating historical use of Munqidh as a name element.
Munqidh emphasizes active deliverance or rescue — 'one who saves' or 'deliverer' — rather than passive protection; it carries connotations of aid and salvation in Arabic.