“It's just part of the job. My friend Zabba died by your act. That much is true. And at that moment, I could think of nothing but avenging him! But after that, you saved my life... We became friends. That's the truth of it, isn't it?.”
—Gerik talking to Saleh
—Gerik talking to Saleh
Zabba is a mentioned character in Fire Emblem: The Sacred Stones. He is mentioned in Gerik and Saleh's A rank support conversation, where it's said that he was killed by Saleh some time in the past in battle. It seems Zabba was a fellow mercenary and ally of Gerik's.