correspondent
US /ˌkɔːr.əˈspɑːn.dənt/
UK /ˌkɔːr.əˈspɑːn.dənt/

1.
a person employed by a newspaper, television station, etc., to report on a particular subject or send reports from a foreign country.
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She works as a foreign correspondent for a major news agency.
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Our war correspondent sent a live report from the conflict zone.
2.
a person who writes letters to another person or to a newspaper.
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She was a regular correspondent to the local newspaper's opinion page.
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He maintained a long-distance friendship through letters with his pen correspondent.
1.
having a close similarity or match; analogous or equivalent.
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The two departments have correspondent responsibilities.
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The English word 'cat' has a correspondent in French: 'chat'.