WHAT IS LOUKA'S ROLE IN SEPARATIOM OF RAINA AND SERGIOS

Louka sparks Sergius' jealousy by whispering in his ear and telling him that Raina has been unfaithful..... just as he has. She exposes the falws of both Raina and Sergius, in an attmept to make him see and understand that she is superior, regardless of social class. From start to finish, Louka baits Sergius, and he takes the bait. She makes herself necessary and becomes almost an obsession.