Keemlin Rai is a boy in Heeth Tower and the son of Malenarin Rai. He is a few days younger than his fourteenth nameday when he will become a man. When the Trolloc horde is approaching, he is top of the list to act as a messenger so is sent south to warn the capital. He doesn't go, instead sending Tian, as Tian's mother has already lost four sons. when his father learns this, he raises him to a man.
(Reference: Towers of Midnight, Prologue)