Duk wanda zai karɓi aikin alƙali dole ne ya zama Musulmi, ɗan 'yanci, balagagge, mai hankali, mai adalci, Faqih (malamin ilimin fiqhu), kuma mai sanin yadda ake amfani da hukunce-hukuncen Musulunci a kan abin da ke faruwa a zahiri (li-tanzil al-ahkam ‘ala ’l-waqi’). Amma wanda zai karɓi alƙalancin Mazalim, baya ga sharuddan da aka ambata, dole ne kuma ya zama namiji, kuma Mujtahid (masanin shari'a mai ijtihadi), kamar yadda babban alƙali (Qadi al-Qudah) yake. Wannan aiki a zahiri alƙalanci ne da mulki, domin yana yanke hukunci a kan sarki kuma yana aiwatar da Shari'a a kansa. Saboda haka dole ne ya zama namiji, baya ga sauran sharuddan aikin alƙali, wanda daya daga cikinsu shi ne ya zama Faqih. Haka kuma dole ne ya zama Mujtahid, domin wani ɓangare na Mazalim da zai iya kasancewa yana bukatar ya duba shi ne ko sarki ya yi mulki da abin da ba Allah ya saukar ba, watau ya yi mulki da wata doka wadda babu hujjar Shari'a a bayanta, ko kuma idan hujjar da ya yi amfani da ita ba ta shafi al'amarin ba. Shi kuwa Mujtahid kaɗai ne zai iya magance irin wannan Madhlima. Saboda haka idan ba Mujtahid ba ne, zai yi hukunci ba tare da ilimi ba, kuma hakan haram ne. Don haka, baya ga sharuddan sarki da na alƙali, ya kamata ya zama Mujtahid shi ma.

Anyone taking up the post of judge must be a Muslim, free, mature, sane, just, a Faqih (learned scholar), and aware of how to apply the Islamic rulings to the reality (li-tanzil al-ahkam ‘ala ’l-waqi’). As for the person who takes up the judiciary of Mazalim, in addition to the conditions mentioned, he must also be male and a Mujtahid (legist), just like the supreme judge (Qadi al-Qudah), because this post is in fact judiciary and ruling, for he judges over the ruler and executes the Shariah upon him. Therefore he must be male in addition to the other conditions of the post of judge; one of which is to be a Faqih. Furthermore, he has to be a Mujtahid, because part of the Mazalim which he may be required to look into is whether the ruler has ruled by other than that which Allah has revealed, i.e. ruled by a law that has no Shariah evidence to back it, or in case the evidence he used does not relate to the event, and only the Mujtahid can deal with such Madhlima. Therefore if he were not a Mujtahid, he would be judging without having knowledge; and that is forbidden. Therefore, in addition to the conditions of the ruler and those of the judge, he should also be a Mujtahid.