This is the 12068th most frequent Russian word.
игроком
"Игроком" means "player" in the instrumental case in Russian.
Used as an instrumental case of 'игрок' to denote 'a player' in the context of joining a team.
Он стал игроком команды после успешного отбора.
He became a player of the team after a successful selection process.
Used as an instrumental case singular of 'игрок' to indicate the aspiration of becoming a player.
Молодой человек мечтает стать профессиональным игроком.
The young man dreams of becoming a professional player.
Used in a context directly referring to the entry of an individual ('игрок').