This human slave, or lo'taur, accompanied Goa'uld System Lord Ba'al to the Summit of System Lords when they assembled to discuss a new order in the Season Five episodes, 5.15 "Summit Part 1" and 5.16 "Last Stand Part 2".
We never learn the name of this human slave, but we do know that he had been in Ba'al's service for 24 years. He held complete confidence that he held a secure position as Ba'al's most trusted slave. He knew that the Goa'uld were not gods and it was his hope that one day he would be implanted with a Goa'uld symbiote and rise to the position of System Lord himself.
He interacted with Daniel Jackson at the Summit, thinking that Daniel was Lord Yu's lo'taur Jarren. They were given the opportunity to discuss their relationships with their "masters" and based on this discussion, this lo'taur grew suspicious of Daniel. He reported his suspicions to Lord Yu.
--DeeKayP 19:11, 6 Jul 2004 (PDT)