Русско-англо-русский юридический словарь

Although theoretically only staff could see and post messages there, some non-staff members, including the actor David Paisley, were able to post messages criticising BBC output if they considered that it did not toe the Stonewall line. (thecritic.co.uk)

Stringer: a part-time or non-staff employee of a news organization, who is paid in proportion to his or her published or broadcast work. (Keywords In News And Journalism Studies by Zelizer, Barbie, ‎Allan, Stuart, published by McGraw-Hill Education)