The phrase "a former keeper" is correct and usable in written English.
It can be used to refer to someone who previously held a position or role, particularly in contexts like sports, animal care, or collections.
Example: "The museum's new exhibit features artifacts from a former keeper of the collection, who played a crucial role in its development."
Alternatives: "a previous custodian" or "a past guardian".
Zoltan Haraszti, a former keeper of rare books and editor of publications at the library, published many of Adams's marginalia in his 1952 book, "John Adams and the Prophets of Progress".
And in this case, contends Mr. Buttrey, a former "keeper of coins" at the Fitzwilliam Museum of Cambridge University in England, the bars are part of "the most elaborate fraud in the history of American numismatics".
Frank Indiviglio, a former keeper at the Staten Island and Bronx Zoos who has written and spoken extensively about reptiles, said that while illegal trade was well known, it did not reflect the reptile-loving community in general.
Members of the pushti marg sect, who commissioned these works, adore him for it all .These painted hangings are unique both as an art form and as an adjunct to devotional worship," writes Robert Skelton, a former keeper of the Indian section of the Victoria and Albert Museum, in the catalogue.
At Pendeen, a former keeper swears he's seen a mermaid.
He joined Lancashire for this season in order to have more opportunities behind the stumps and to work with coach Peter Moores, himself a former keeper, who has now taken charge of England for the second time.
Speaking of Jens, here's Arsenal fan Zach Neeley, with a paean to the Gunners' former keeper.
United came back at Wednesday, but never quite clicked, although their former keeper Chris Turner, now an Owl, was required to make a couple of crucial stops.
And former keeper Raimond Aumann, now a fan liaison officer, revealed that he was receiving many letters full of gushing praise: "Our fans say this is the best Bayern team of all time".
The baby skunks will pose a quandary for Mr. Poincelot, a former zoo keeper at the Buffalo Zoo who says it pains him to kill anything.
"I really think that in choosing to go over there to Russia he has to some extent signed his sporting death warrant," said a former goal keeper of the Cameroon national team, Joseph-Antoine Bell.
