A person who must pay khums cannot make it a condition on someone entitled to receive it that he must return the amount to him. [1] A sayyid is a male descendant of Hāshim, the great grandfather of Prophet Muḥammad (Ṣ). [2] A marjaʿ is a jurist who has the necessary qualifications to be followed in matters of Islamic jurisprudence (fiqh). See