 Had the narrator vehemently denied his position as Yandro, would the opinions of the people have likely changed?
He was Yandro, the Stranger of the Prophecy—and he found that he was destined to fight both sides. Words formed themselves on my thick tongue, words that must have been spoken by so many reviving unfortunates through the ages: "Where am I?" It is as well, for this will be a birth and beginning of your destined leadership on Dondromogon." The voice was telling me that I had been snatched from worlds away, for a specified purpose here on whatever windswept planet Dondromogon might be. My eyes were tight shut against the dust, but they saw in imagination such a planet—one-half incandescent, one-half pitchy black. Of course, such areas, between the hot and cold hemispheres, would be buffeted by mighty gales ... the voice was to be heard again: "War is fought between the two strips of habitable ground. Dondromogon was found and settled long ago, by adventurers from afar. On this strange world called Dondromogon, what manner of intelligent life bade defiance to heat and cold and storm, and built these stout structures, and now laid hands—were they hands indeed?—upon me? Especially as I don't know who I am, or where I'm from, or anything that has happened longer ago than just a moment. "He pushed in, claimed he was no enemy, then tried to attack—" "They lie," I broke in, very conscious of my naked helplessness before her regard.
 No, because the inhabitants strictly uphold and respect the prophecy that named the narrator as Yandro.
 No, because the narrator would eventually be forced against his own will to be Yandro.  Yes, because the narrator would have been sent back to Earth for his denial of the position.  Yes, because the inhabitants would have instead acted distastefully towards the narrator for not wanting to assume the position.  No, because the inhabitants strictly uphold and respect the prophecy that named the narrator as Yandro.