Which preposition to use with trainer

of Occurrences 19%

We may not lay claim to having all the best trainers of the world.

in Occurrences 6%

"You're a good one, Wildwood," commended the trainer in an approving tone.

with Occurrences 2%

I knew he had a brother who was chief animal trainer with the Big Show.

at Occurrences 2%

I remember telling with some gusto of my first newspaper interviewone with "Bob" Fitzsimmons, then the Old Man of the ring, and "Gentleman" Jim Corbett, who was Jeffries' trainer at Reno.

for Occurrences 1%

He had no voice; so he became first accompanist, then chorus master, and finally trainer for the operatic stage.

during Occurrences 1%

Broadly speaking, there are in Germany no professional soldiers except the officers and non-commissioned officers, from whom a high standard of capacity as instructors and trainers during peace and as leaders in war is demanded and obtained.

as Occurrences 1%

From first to last, it was engrossing labour, as hard for the trainer as the trained, yet still delightful work; for what is a conscientious manager, but an artist striving to perfect a beautiful dramatic picture?

Which preposition to use with  trainer