Buzurgan-e-Deen | بَزُرگانِ دِین
Faqeeran-e-Muhammadi (synonym)
Reserved for Holy Men and Women, Saints, or Wali Allah. (plural)
Buzurg alone can mean these mentioned above. But Buzurgan-e-Deen will only mean these and not simply the elderly and nobles. As in Elder of Deen. (usage)