The phrase "a commentator about" is not the most common usage in written English, but it can be understood.
It is typically used when referring to someone who provides commentary or opinions on a specific subject or topic.
Example: "He is a commentator about political issues, often sharing his insights on various news platforms."
Alternatives: "a commentator on" or "a commentator regarding".
John H. McWhorter, a senior fellow at the Manhattan Institute for Policy Research who is a linguist and a frequent commentator about race, said words or phrases often become part of a group's vernacular when they enable people to assert themselves, reclaim a slur or redress an offense, as in the ownership of the word "bitch" among educated women or "thug" among young African-Americans.
When was the last time a commentator wrote about Matt Lauer's loud suits in the way they write about Couric's "sexy" dresses or shapely legs?
* A commentator asked about the committal motion necessary to send the bill to a committee of the whole house.
How should it apply if the false statement does not defame anyone, but is merely a false statement that distorts public discourse, such as a false statement by a political candidate that exaggerates her credentials or a false statement by a political commentator about the number of people killed in Syria?
His gaffe in Parliament deepened a sense of persistent casual chauvinism that had surfaced when the BBC was obliged to apologize for the musings of a radio commentator about the physical appearance of this year's women's champion, Marion Bartoli of France.
In the beginning, he was a player in the drama that he wrote about, a commentator on times that he was helping to shape.
They also check in with the public: Dugard wrote a bestselling memoir, "A Stolen Life," and Elizabeth Smart, a commentator on ABC about issues of domestic violence, will be publishing one of her own in October.
A few years ago I asked a high-flying commentator about the notion of "compassionate conservatism".
A few years later, Weisberg also hired Spitzer as a commentator; he writes mostly about politics.
Among Mr. Townshend's friends who spoke up in his defense was Jerry Hall, the model and former wife of Mick Jagger, who said Mr. Townshend was an "avid supporter" of child welfare groups and a commentator on the Internet about the dangers of child pornography.
