Which preposition to use with utterers

of Occurrences 10%

"Really, my dear Mr. Westcote," she protested at length, being a chartered utterer of indiscretions which (as she delighted to prove)

into Occurrences 1%

The people sometimes catch up a remarkable word when uttered on a remarkable occasion by one of their number, and turn the utterer into ridicule, by attaching it to him as a nickname; and it is some consolation to think that this monster was therefore treated with the sobriquet of 'Stumpie,' and of course carried it about with him to his grave.

Which preposition to use with  utterers