There are equally telling sketches of the ambitious John C. Fremont ; Maj. John Chivington , the murderous parson ; Charles Bent , first the owner of Bent 's Fort and then the governor of New Mexico , and his great adversary , Padre Antonio Martinez , the enigmatic cura of Taos ; the Navajo leader Manuelito ; the diarist and correspondent Susan Magoffin ; and many more .