noun
good player; strong or skillful person
Refers to a person who is notably good at a sport or competitive activity. Often used in sports contexts, but can apply to any skilled individual.
彼はチームで一番の好選手だ。
He is the best player on the team.
あの好選手は今年も活躍している。
That good player is performing well again this year.
Compound of 好 (good) + 選手 (player, athlete). The exact historical derivation is straightforward; the word is a transparent modern compound.