 Why does no one on town know who Haron Gorka is?
She had been known to say that there are over a billion men in the world, a goodly percentage of whom are eligible bachelors, and that the right one would come along simply because she had been waiting for him. The widow Penshaws impatiently told her to go out and get dates. She had not yet seen the pen pal section of the current Literary Review , and because the subject matter of that magazine was somewhat highbrow and cosmopolitan, she could expect a gratifying selection of pen pals. Intelligent, somewhat egotistical male who's really been around, whose universal experience can make the average cosmopolite look like a provincial hick, is in need of several female correspondents: must be intelligent, have gumption, be capable of listening to male who has a lot to say and wants to say it. All others need not apply. The name—Haron Gorka: its oddness was somehow beautiful to Matilda. Haron Gorka—the nationality could be anything. He had no nationality for all intents and purposes; he was an international man, a figure among figures, a paragon.... Cedar Falls was a small town not fifty miles from her home, and she'd get there a hop, skip, and jump ahead of her competitors, simply by arriving in person instead of writing a letter. But she laughed and thought that if she was, she was, and, meanwhile, she could only get to Cedar Falls and find out. Matilda asked him where she could find Haron Gorka. "I said, where can I find Haron Gorka?"
 He’s not a real resident, but an interstellar visitor.
 Haron Gorka isn’t his real name. Thus, there’s no records of him.  He’s not a real resident. He’s using a fake name while he stays in town.  He travels so much that the people in town haven’t gotten to know him.  He’s not a real resident, but an interstellar visitor.