The phrase "a subject for her" is correct and usable in written English.
It can be used when referring to a topic or matter that is relevant or appropriate for a specific person, in this case, "her."
Example: "The book provided a subject for her to discuss during the seminar."
Alternatives: "a topic for her" or "an issue for her".
As her husband disappears in front of her ("there is so little of Einar left"), she finally finds a subject for her art.
Although Ms. Roux's time in Africa brought her into contact with exotic locales, she prefers the Island's setting as a subject for her art.
On the opposite end of the spectrum is Elinor, who rejects the war as a subject for her art: it is not true life, she thinks, but something that has been imposed upon it.
Damascus is full of culture!" Shocked, Von Maltzahn wondered how Iran and Syria could have such strong political relations with such poor cultural understanding, and thereby found a subject for her doctorate at St Antony's College, Oxford, and for her book The Syria-Iran Axis: Cultural Diplomacy and International Relations in the Middle East, published in 2013 and just issued in paperback.
JESUS HENRY CHRIST A 10-year-old prodigy (Jason Spevack) with a ferociously independent mother (Toni Collette) crosses paths with a 12-year-old (Samantha Weinstein) whose father, a university professor (Michael Sheen), has used her as a subject for his gender identity experiments.
These days, she's remarried (to her agent, Jim Toth) and is no longer a subject for gossip, except for her fashion choices.
The story of Oprah Winfrey's foray into creating a cable channel would make a fitting subject for her talk show, The Wall Street Journal writes, "with a story line of adversity, revelation, and now, a hoped-for turnaround".
In 2010, Bowker's wife read about an intriguing bloke who, she thought, would be a fitting subject for her writer husband.
The image horrified Hall; her guilt at being depicted in a drawing that she saw as blasphemous led to her choice of a religious subject for her next novel, The Master of the House.
It's a promising subject for her.
Convalescing after a series of operations, and about to turn 30, she began looking for a challenging subject for her first book.
