Gainer

… it is obvious that the Californian heiress is not the only gainer by an alliance which will enable her to make the easy and common transition from a Republican lady to a British peeress.

Source: wiktionary

Let every youth take a leaf out of my book and make it a point to account for everything that comes into and goes out of his pocket, and like me he is sure to be a gainer in the end.

Source: wiktionary

Thus, after eighteen months of fantastic and ruinous warfare, the companies had come to their senses and agreed to do what they might have done at the start; the only gainers were the passengers who had been carried at ridiculously uneconomic fares.

Source: wiktionary

I tried a full gainer with a twist, the way he did it, but succeeded only in smacking the water with my thighs.

Source: wiktionary