Kaddo'Borawn was a Jem'Hadar.
In 2371, Kaddo'Borawn was aboard a Jem'Hadar space station that was attacked by the Unclean and was among the Jem'Hadar who were killed by the creatures and had their consciousness absorbed. Kaddo'Borawn later ordered Manan'Agar to destroy the space station to kill the Unclean. (DS9 - Invasion! novel: Time's Enemy)