A person or thing that gapes, often in an idle or curious manner.

आश्चर्यचकित व्यक्ति

English Usage: The tourists were gapers in the art gallery, staring at the paintings with wide eyes.

Hindi Usage: पर्यटक कला दीर्घा में आश्चर्यचकित व्यक्ति बने, पेंटिंग्स को बड़े आंखों से देखते हुए।