Parnon

From The Stargate Omnipedia

Free Jaffa responsible for organizing a summit at Dar Eshkalon. It is possible he himself was one of the 32 Jaffa killed at the same summit. A Jaffa with close ties to Parnon informed Teal'c that Arkad was likely the one responsible for the massacre.

KEY EPISODE

Talion - Teal'c receives word from a Jaffa close to Parnon that Arkad may be indirectly responsible for the massacre of Dar Eshkalon.