The phrase "and trainer in a" is not complete and lacks context, making it difficult to assess its correctness in written English.
It could be used in contexts where you are describing someone's role or profession, but it needs to be part of a larger sentence to convey a clear meaning.
Example: "She is a coach and trainer in a local sports club."
Alternatives: "and instructor in a" or "and educator in a".
Tyson moved in with D'Amato and Ewald and a few other fighters and trainers in a sprawling house.
British Boxing Board officials also threatened to revoke the licences of four high-profile managers and trainers in a heated row over the latest round of celebrity boxing.
So horsemen and racing officials made a decision to funnel most of the available purse money into a super meet that would attract full fields and top horses and trainers, in an effort to entice bettors across the country.
For Loyola's coaches and trainers, in an athletic department without football, it was less of a philosophical leap away from such weight room staples as bench presses and squats.
This guy usually gets on wearing a hood and trainers in an attempt to qualify for TfL's "Under 16s Ride For Free" scheme, but doesn't tend to persist with this ruse for very long: flying into a wild, indignant rage once questions are asked about his facial hair, heavily bloodshot eyes and poorly concealed can of Special Brew.
He is now a dog photographer and trainer in New York.
Adrian Paci's "Inside the Circle" is a six-and-a-half-minute, black-and-white movie of interactions between a white horse and its trainer in a round, rustic pen.
Studies have even claimed that vocational teachers and trainers in Europe have a weak CPD culture (de Rooij in Parsons et al. 2009, p. 92).
A previous study, based on concussions reported by team physicians and trainers in N.C.A.A. Division I programs, showed a rate of 3.1 concussions per 1,000 man-games.
Washing cars, painting fences and losing a trainer in a particularly embarrassing encounter with a mud bog.
