Duran'Adar was a Jem'Hadar Sixth who served under First Kudak'Etan and the Vorta Gelnon during the Dominion War.
In 2374, he was on a Jem'Hadar attack ship that attacked and captured the USS Defiant. Duran'Adar was sent to engineering so he could repair the warp drive. He was consistently delayed by Kira Nerys. (DS9: "One Little Ship")