Colland Grumman serves as the subdivision chief for the city of Colseit, where he oversees various town projects and manages budget control. He is 47 years old. In the development division, he holds the position of supervising chief official and is the superior to both the division head and the main protagonists. His son, Solle Grumman, works alongside him as the treasurer for the same division.

Colland is an old friend of Duke Beriel, the owner of a local tavern, with their friendship dating back to Duke's time working at the Colseit branch. Information regarding Colland Grumman's personality, his internal motivations, his specific character development arc throughout the story, and any notable abilities he may possess is not available.

His primary role in the narrative is as an authority figure within the bureaucratic structure of Colseit, setting the framework within which the main characters operate, though details of his direct involvement in key events are not documented.