Federation ambassador whose identity a Changeling assumed to sabotage the Defiant and provoke war with the Tzenkethi.
Ambassador Krajensky is a Federation diplomat in The Adversary. At Sisko's promotion ceremony, the man who appears as Krajensky reports a coup among the Tzenkethi and orders the Defiant on a mission along their border.
Aboard the ship, he is exposed as a Changeling who has seized its systems to start a war. Odo kills the infiltrator in the engine room, and the crew learns the real Krajensky was kidnapped before he ever arrived and the coup was invented.