Loser
Loser was a term used to describe individuals who were unsuccessful in contests, games, or life in general.
In 2264, Eve McHuron suggested the miners on Rigel XII could have a raffle and the loser would get her. (TOS: "Mudd's Women")
In an alternate timeline, where Harry Kim was not assigned to USS Voyager, he insulted Tom Paris by calling him "a loser and a drunk." (VOY: "Non Sequitur")