RADAI MUQARRAB, shuron nazdikoni podshoh Ivani IV Vasilevich Grozniy, ki okhiri solhot 40—50 asri 16 dar amal hukumati gayrirasmi bud. Ba Radat muqarrab asosan dvoryanho va darboriyon rohbari mekardand. Radat muqarrab naqshahoi islohoti davlati va siyosati beruniro muhokima va ba tatbiqi onho rohbari mekard. Ba vazifa tain namudani sardoroii harbi, shakhsoni masuli apparati markazi va mahalli, halli digar masalahoi muhimtarin ba Radai muqarrab vobasta bud. Dar mavjudiyati Radai muqarrab dar sohai idorakunii markaz va mahalho, inchunin sud, armiya islohothoi muhim guzaronida shudand. Diqqati asosii Radai muqarrab dar siyosati beruni saravval ba shark, (ba Rossiya hamroh kardani khonihoi Qazon va Astrakhan), badtar ba Garb (muboriza baroi Nazdibaltika) nigaronida shuda bud. Radai muqarrab dar natijai tagyiroti jiddi dar siyosati beruni va dokhilii Ivani IV soli 1560 barham khurd.