Who is Desmond 'Coyote' Hawkins from Red Mars and what is their importance?

Desmond "Coyote" Hawkins is a man Hiroko his in the Ares ship as a stowaway. Once landed on Mars, Hiroko and the Coyote begin a small community in the hidden areas of the planet. Throughout the novel, little is known of the Coyote, other than he is an anarchist who appears several times in the shadows of the novel.