The Borussia Dortmund midfielder, 19, faces France in Saturday's World Cup quarter-final.
And Al-Khelaifi told Sky Sports: "Everybody wants him. I'm not going to hide it.
"Amazing player. What a player. He's one of the best players in the tournament.
"First World Cup, and calm and relaxed, confident - amazing."
He added: "We have respect.
"He's with his club and if we want to talk to him we'll talk to his club."