This was Dolokhov, an officer of the Semenov regiment, a notorious gambler and duelist, who was living with Anatole.
The matter was mentioned to the Emperor, an exception made, and Boris transferred into the regiment of Semenov Guards with the rank of cornet.
This was Lieutenant Berg, an officer in the Semenov regiment with whom Boris was to travel to join the army, and about whom Natasha had teased her elder sister Vera, speaking of Berg as her "intended."
A minority of those present were casual guests--chiefly young men, among whom were Denisov, Rostov, and Dolokhov--who was now again an officer in the Semenov regiment.
How would you define Semenov? Add your definition here.