Who is Jeremy Bernstein from Surviving the Applewhites and what is their importance?

Jeremy Bernstein is the young journalist sent to interview Sybil for The New World Literary Review. He is described as young, thin, pale, and pimply with a long stringy ponytail and a deep infatuation with the talented Applewhite family. When he arrives at Wit's End, he is involved in a traffic accident with Randolph that totals his car. Eventually, he succeeds in getting a television station to produce a documentary about the Applewhite family. He also plays the accordion in Randolph's production of The Sound of Music.