responser

plural responsers

1. One who responds, or gives responses.

   In the evening two responsers are appointed on the part of the bride, and as many for the bridegroom: they are expected to answer such questions as the Qází may think proper to ask.

   1837, The Calcutta Christian Observer, volume 6, page 135

   1 more example

   One might have expected more fuss against this new direction from the most prominent reader-responsers themselves. Instead, the only complaints have come from prominent literary generalists[…].

   2009, John Maynard, Literary Intention, Literary Interpretations, and Readers, Broadview Press, →ISBN, →Google Books, page 301