What is "faizrakhmanist"

The Faizrakhmanist movement, known in the media as the "catacomb sect", is a sect of Islam based in Tatarstan in Russia. Adherents describe themselves only as Muammmin ("believers"). The sect is named after its founder, Faizrakhman Sattarov, a Russian Muslim who calls himself a prophet. The sect is considered illegitimate by mainstream Russian Muslim clergy because orthodox Islam holds that there are no prophets after Muhammad.