authority, reformer, religious scholar recognized as competent to interpret, derive and frame religious laws or rules, etc., a Shia religious scholar

those who have arrived to the superior or superintendent in religious matters of their time

full of extraordinary creativity, with hard work, like hard worker, in the spirit or ways of a mujtahid (a mujtahid "diligent") is an individual who is qualified to exercise ijtihad in the evaluation of Islamic law