The phrase "a warden of" is correct and usable in written English.
It can be used to describe someone who has authority or control over a particular area, institution, or group, often in a supervisory or protective role.
Example: "As a warden of the local wildlife reserve, she ensured the safety of the animals and the preservation of their habitat."
Alternatives: "a guardian of" or "a keeper of".
His mother is a warden of St. Mark's Church.
A Royalist and a supporter of the Church of England, Morys was a warden of the Llansilin parish church.
He went with Brian Nicholson, 49, who had served as a warden of the Selous for more than twenty years.
"I completely support Dean Cardone, and I don't know why the bishop is doing what he is doing," said Charles Giersberg, also a warden of the cathedral.
He leads Bible study classes in his village and is a warden of his local church, whose congregation has grown from 10 to over 100 in the past decade.
He and his son Sir Henry Percy, the celebrated "Hotspur," are commemorated in William Shakespeare's play Henry IV, Part I. Son of the 3rd Baron Percy of Alnwick (died 1368), he led English troops in France by the age of 18 and was a warden of the Scottish marches two years later.
He served the embassy as a warden, part of a network of 15 volunteer neighborhood-watch officers.
Inspector Manuel Lugo, a senior Venezuelan corrections official and a former warden of Yare, had offered to show me around, but only from the outside.
Shortly after, everyone – among them a former warden of Wadham College, Oxford, and a senior adviser to the government on privatisation – made their way out of the bar for lunch.
Moreover, Mr. Rustin, a former warden of the Allegheny County Jail in Pennsylvania and a 32-year veteran of corrections work, said he did not believe that the program truly worked.
A senior warden of Ms. Raval's dormitory declined to comment, saying it's a controversial topic.
