Which preposition to use with retriever

of Occurrences 5%

He was a natural water-dog, with a constitution impervious to chills, and entirely free from the liability to ear canker, which had always been a drawback to the use of the Spaniel as a retriever of waterfowl.

for Occurrences 1%

" The man who owns a good dog of this breed, whether he uses it as a retriever for driven birds, works it in a team, or uses it as his sole companion when he goes gunning, possesses a treasure.

in Occurrences 1%

A larger and quicker dog was wanted to divide the labour, and to be used solely as a retriever in conjunction with the other gun dogs.

on Occurrences 1%

A big brown retriever on a chain was sitting bolt upright beside his kennel, and began to thump the flagstones with his tail as soon as he recognised Lady Maud.

Which preposition to use with  retriever