Hosa is the architect of the Hosidius House in Great Kourend. Players who speak to him will discover that he wishes to rebuild the statue of King Rada I in the centre of Great Kourend after it was heavily damaged in a storm. However, he is unable to receive the assistance of the other architects in their respective Houses, and requests that you do so for him as part of the Architectural Allianceminiquest.
Players must speak to him again after gaining 100% favour in the Hosidius House as part of the Architectural Allianceminiquest. He builds the head of the statue.