reporter

noun

1. Someone or something that reports.

   “The reporters of important security bugs may be paid a bounty by the software developer.”

2. A journalist who investigates, edits and reports news stories for newspapers, radio and television.
3. A person who records and issues official reports of judicial or legislative proceedings.
4. A case reporter; a bound volume of printed legal opinions from a particular jurisdiction.
5. A gene attached by a researcher to a regulatory sequence of another gene of interest, typically used as an indication of whether a certain gene has been taken up by or expressed in the cell or organism population.