مجتهد

Etymology
of.

Adjective

 * 1) diligent, hardworking, industrious
 * 2) exerting, striving

Noun

 * 1)  mujtahid lawyer entitled to give decisions

Etymology
From.

Noun

 * 1) mujtahid, legal scholar of islamic law

Adjective

 * 1) zealous, fervent