reporter on assignment; correspondent posted elsewhere
A journalist sent to cover events in another city, country, or region, often for a specific story or as a foreign correspondent.
The newspaper company sent a reporter to the war zone.
He works as a correspondent stationed in London.
特派員 is a more formal term for a special correspondent or staff writer sent abroad, often with a longer-term assignment, while 派遣記者 can refer to any reporter dispatched temporarily.
記者 is a general term for a reporter or journalist, without specifying dispatch status.
Compound of 派遣 (dispatch) and 記者 (reporter).