Sentence:  'There're people who have an intellectual impairment,' he said, 'and studying trains seems a natural thing for them to gravitate to. And then there're people who have more of a hobby-style interest in it.' ... He feels <WSD>gunzels</WSD> are misunderstood by the outside world … 
Meaning of the word marked with <WSD> tags:  A railway or tram enthusiast; "particularly"  one who is overly enthusiastic or foolish.