gainer has definitions from the field of sport
1
[ noun ] a person who gains (gains an advantage or gains profits)

Examples

"she was clearly the gainer in that exchange"

Related terms

person profit gain

2
[ noun ] a person who gains weight

Synonyms

weight_gainer

Related terms

person gain

3
[ noun ] Last name, frequency rank in the U.S. is 6702
4
[ noun ] (sport) a dive in which the diver throws the feet forward to complete a full backward somersault and enters the water feet first and facing away from the diving board

Synonyms

full_gainer

Related terms

dive

*