He is allied with the main Starfleet characters against the Maquis rebels in ``The Maquis'' and ``Defiant'' and against the Klingons when they invade Cardassia in ``The Way of the Warrior''. In the season 4 episode ``Indiscretion'', Kira Nerys accompanies Gul Dukat on a search for a lost Cardassian starship, where it is revealed he is trying to track down and kill his illegitimate half-Bajoran daughter Tora Ziyal. He ultimately resolves to take her home with him.
Kira Nerys
Tora Ziyal