 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. Of course, such areas, between the hot and cold hemispheres, would be buffeted by mighty gales ... Dondromogon was found and settled long ago, by adventurers from afar. "I am a scientist," offered Doriza, and came forward. "Surely you are Yandro, the Conquering Stranger," he said, intoning as if in formal prayer. "This may be Yandro, though I'm a plain soldier and follow the classics very little. If indeed he is Yandro," and he was most respectful, "he will appreciate, like a good military mind, my caution against possible impostors."
 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.