The phrase "a fellow host" is correct and usable in written English.
It can be used to refer to another person who shares the same role or position, particularly in contexts like events, shows, or gatherings.
Example: "As a fellow host, I appreciate your efforts in making this event a success."
Alternatives: "a fellow presenter" or "a fellow organizer".
And each has been assigned a profile of a fellow host, which will be shown on the show next week.
The producers are so intent on building chemistry that each anchor was assigned a profile of a fellow host.
In the studio, Mr. McDonagh, along with a fellow host, Sandy Boyer, as well as a sound engineer, Eliza Butler, sat alongside Mr. Owens and Mr. Sexton and recounted great calls with the Cuba Boys over the years.
Poland, despite moving up three places, are the lowest-ranked team in Euro 2012 in 62nd, while fellow host nation Ukraine are 52nd.
Oleg Lytvyak, director of Ukraine's National Tourist Office, conceded in an interview last week that fellow host city Lviv has"the most advanced tourist management system" in the country, an inadvertently damning indictment of the capital.
Just as surprising, Mr. Colbert even got his cautious fellow host to make a few cracks about possible collusion between the Trump administration and the Russian government.
Gretchen Carlson walked off the set of "Fox and Friends" on Thursday after fellow host Brian Kilmeade made a sexist comment.
"This is an important time in our culture," fellow host Sara Gilbert said during the episode.
Earlier on Sunday, the chancellor, George Osborne, scolded Le Blanc's fellow host Chris Evans for making a racket near Downing Street and distracting him from writing the budget.
Earlier on Sunday, the chancellor, George Osborne, scolded LeBlanc's fellow host Chris Evans for making a racket near Downing Street and distracting him from writing the budget.
An appearance this month by Nick Hancock, who is no more than a fellow BBC host, was introduced rather desperately by Kielty as a "chat-show first".
