All 4 Uses

correspond
in
Harry Potter (#4) and the Goblet of Fire
(Edited)

It seems as though the Ministry of Magic's troubles are not yet at an end, writes Rita Skeeter, Special Correspondent.
Chpt 13 *

correspondent = reporter
Albus Dumbledore, eccentric Headmaster of Hogwarts School of Witchcraft and Wizardry, has never been afraid to make controversial staff appointments, writes Rita Skeeter, Special Correspondent.
Chpt 24
"You are not Sirius's only correspondent," said Dumbledore.
Chpt 30 *

correspondent = someone who communicates in writing
The boy who defeated He-Who-Must-Not-Be-Named is unstable and possibly dangerous, writes Rita Skeeter, Special Correspondent.
Chpt 31

correspondent = reporter

Definitions:

(1) (correspond as in: corresponding time period)
connect or fit together by being equivalent, proportionate, or matched

(Two things are equivalent if they have the same or very similar value, purpose, or result.)
(2) (correspond as in: corresponding by email)
communicate -- typically by writing letters or email

A corresponding secretary is an officer of an organization who is responsible for managing the organization's correspondence and keeping a record of it.
(3) (correspondence as in: a correspondence course)
done from afar

For example, a corresponding member or a correspondence course.

This sense of corresponding arose because people who lived in distant cities and could not be present for meetings, could communicate by sending written communications.
(4) (correspondent as in: foreign correspondent of the paper)
a reporter or other representative -- typically from a foreign country or with a particular expertise
(5) (meaning too rare to warrant focus)