The phrase "a man devoted to" is correct and can be used in written English.
You can use it to describe someone who is dedicated to something, such as a cause, project, or ideal. For example, "He was a man devoted to improving the lives of underprivileged children in his community."
Friendly was famously cautious, a man devoted to incremental rather than radical legal change.
Cellini is a man devoted to his wife; an empathetic soul who takes a leisurely, circuitous route to investigating.
Beato, a man devoted to sleep, said he took naps when he came home in the late afternoon.
Meanwhile, the archbishop, a man devoted to the poor, a man whose shyness sometimes caused him to stutter, had been indecorously pitched from his balcony.
Lon Rosen, his friend and business partner, defended the basketball star as a man devoted to creating business opportunities in urban America.
Farrell's hero the Collector, a man devoted to his contemporary culture, sees all his ideas about religion, technology, civilisation, Englishness and life itself undermined and fatally undone.
Mark Hogancamp recovers from a violent assault as a new man, devoted to capturing a richly imagined fictional town in highly detailed dioramas.
Holden seemed a bit like an early hippie: a hater of hypocrites, a young man devoted to his sense of individuality.
But in his adopted home and old work space, Walsh could acknowledge feeling like a new man — a family man, devoted to the Pacers, for better or worse.
Heller described his character as "very much a Roman of the Old School, a stoic man devoted to duty and religion and the legion".
He's really the hero: a family man devoted to his friends and a thoughtful crew member who's obviously a director in the making.
