RTFM!!!
"Terrorists, Rebels, and Freedom Fighters"
Page 201, Appendix A, Glossary and Terms.
When the leader has a military title... they become "rebels"... not "terrorist"...
when they are fighting a communist governement they are "Freedom Fighters"
It's all there in the Glossary.
"Recent intelligence reports point to Izzat Ibrahim al-Duri, the Iraqi military's former northern regional commander, as the key figure behind the attacks, possibly with help from Iraqi regime loyalists and "foreign fighters," according to officials. "
I'd loan you my book, but I've already given to someone else... forget his name... Ben Osama... or something like that.