oprichters
Oprichniki, sometimes transliterated as oprichters, were the members of the oprichnina, a policy and parallel administration in 16th-century Russia created by Tsar Ivan IV (Ivan the Terrible). From 1565 to 1572 they formed a personal bodyguard and secret police loyal to the Tsar, tasked with enforcing his will within a designated domain called the oprichnina, and with suppressing opposition, especially among the boyars. The oprichnina operated separately from the zemshchina, the rest of Muscovy governed by the traditional aristocracy; the two systems coexisted for a time but the oprichniki reported directly to Ivan IV.
In practice, the oprichniki carried out surveillance, arrests, executions, and the confiscation of estates from political
The Oprichnina was dissolved in 1572 as Ivan IV curtailed the policy and reintegrated the lands and