Definition of ijtihad, the difference between the mufti, the mujtahid and the jurist. The importance of the science of assets for the muiltahid.

The need to open the door to diligence to keep pace with global development. Diligence controls. What is meant by closing or opening the door of iJtihad. The difference between a muilti and a jurist, the conditions of the muntahid, the need to renew theScience of jurisprudence.