The phrase "a contributor called" is correct and usable in written English.
It can be used when introducing or referencing a specific contributor, often in the context of a discussion, article, or report.
Example: "In her latest article, a contributor called Jane Smith provided valuable insights on climate change."
Alternatives: "an author named" or "a writer referred to as".
That's a comment from last week's Reading group discussion by a contributor called Pazza.
Over the weekend, a contributor called "Streiff" put up two posts devoted to knocking down the pragmatic argument for Mitt.
"I truly don't understand why you think you are honouring a writer by picking a book you know is inferior to almost all the other books in the series," said a contributor called Jantar.
The film's website invites them to provide their own reviews of the climate change sci-fi-documentary-sermon. A contributor called Chris A sums up the prevailing sentiment in just one word: "Unbef*ckinglievable".
A few weeks ago, a contributor called Madeupreviews submitted a review of a greasy spoon in Reading that kicked off with: "I heard about this fine restaurant from a chap at the veg section of Lidl who is kind enough to allow me to flagellate myself with a marrow once a month".
Last week on the Reading group, a contributor called MythicalMagpie wrote: "I think you could write an entire essay on the fact that while Meursault is apparently meant to be telling the story, it is really Camus who is guiding his pen.
At Lucianne Goldberg's conservative Web site, Lucianne.com, a contributor calling himself kanphil rejected the labels: "Not Christians.
After Romney complains about missing out on affirmative action, a contributor calls out: "Pull an Elizabeth Warren!" Romney replies, "That's right," and re-caps the controversy over Warren's claim to a Cherokee heritage.
A Reading Group contributor called sangrail wrote: "TTTS is a masterpiece, the finest novel I've read about the decline of Britain as a great power".
A Forbes contributor called it "An Occupy Wall Street Idea We Can All Get Behind".
Kenneth Lay, chairman of the nation's seventh-largest company and a longtime political contributor, called a couple of Bush cabinet secretaries to reveal his rapid unraveling.
