Which preposition to use with gainers

by Occurrences 60%

When we trade political preferment for high merit, both the office-holders and the country are gainers by the exchange.

in Occurrences 5%

For example, can any one sensitive to such considerations deny that the meadows of the world are greener for the Twenty-third Psalm, or the starry sky the gainer in our imagination by the solemn cadences of the book of Job?

of Occurrences 3%

"Thou art the gainer of the second prize," said the Prince, "and were rigid justice done, thou should'st receive the first also, since our favor is not to be rejected with impunity.

to Occurrences 2%

That makes the husband a loser by her death, instead of a possible gainer to a large amount.

for Occurrences 1%

Schiff and Hardy wondered, for a moment, who was the gainer for all their killing hardship?

through Occurrences 1%

Possibly the men also would be the gainers through their influence.

Which preposition to use with  gainers