Who is Intep from Sinuhe the Egyptian: A Novel and what is their importance?

Intep was the most powerful warrior in the age of Pharaoh Thothmes III. After losing his arm in battle, Intep becomes Senmut's patient. His injury, however, leaves him unable to work. Over time, Intep finds himself on the street begging, and he spends a lot of his time trying to convince young boys that military life is wretched. When Senmut introduces Sinuhe to Intep, the former warrior tells him that if he is determined to become a warrior, he must learn to read and write. Literacy will enable him to become an officer.