gainer

nouns

a person who gains weight
is derived from
a person who gains (gains an advantage or gains profits)
"she was clearly the gainer in that exchange"
is derived from
is derived from
is derived from
is derived from
is a type of (narrower)
a human being
"there was too much for one person to do"
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