The religious minorities of post-Soviet Russia remain an understudied phenomenon and this book aims to partially fill this gap. The collective monograph on the example of the Republic of Mordovia in the 1990s - 2010s examines the following confessional minorities: Muslim ummah, Protestant communities, "pagans", neo-Hinduists, Yezidis, and destructive cults. It is recommended for students, undergraduates, postgraduates in the humanities, university professors and lecturers, employees of state institutions and law-enforcement agencies.