We are... (The sentence is incomplete and requires more context for a proper translation. "нам гю" appears to be a fragment of a sentence.)

Squid Game 2

Creditor Son Ki-hoon (No. 456) – the protagonist, winner of the previous games. He returns to expose the organizers and put an end to the brutal trials.
Lee Myung-gi (No. 333) is a former YouTuber and cryptocurrency investor. After unsuccessful investments and defrauding his subscribers, he goes into hiding from his creditors and decides to take part in a gambling game.
Kim Choon-hee (No. 222) is Myung-gi's ex-girlfriend, who lost all her savings due to his scams. She is pregnant and hopes to win the money for her unborn child.
Park Jung-bae (No. 390) is an old friend of Ki-hoon's and an avid gambler. Finding himself in debt, he joins the game in hopes of changing his fate.
Kang Dae-ho (No. 388) is a former Marine who grew up with four sisters. He's looking for a way to provide for his family and sees the game as his last chance.
Cho Hyun-ju (No. 120) is a former special forces soldier and transgender woman. She participates to earn money for a gender reassignment surgery and start a new life.
Park Yeong-sik (No. 007) is the immature son of Jang Geum-ja. He has fallen into debt through gambling and hopes to win to pay off his creditors.
Jang Geum-ja (No. 149) is Yong-sik's mother. She enters the game to help her son escape his debt trap.
Park Kyung-seok (No. 246) is a father whose daughter suffers from leukemia. He desperately needs money for her treatment and sees gambling as his only option.
Park Min-soo (No. 125) is a timid young man who joins Thanos's group. He strives to prove his worth to himself and others.
Thanos (#230) is a former rapper who lost everything due to Myung-gi's cryptocurrency scams. He forms his own group of gamblers seeking revenge.
Nam Gyu (No. 124) is a former nightclub worker and Thanos's best friend. He bullies weaker players, enjoying their suffering.
Se-mi (No. 380) is a young girl who prefers to risk her life in a game rather than return to a hopeless reality.

(Security guards)
Circle
Triangle
Square

Admins and VIPs (game observers)
You were in love with Nam Gyu, but you didn’t know about it because before the first game he discussed you with Thanos, dreamed of hitting on you, but didn’t know how (he didn’t know how to treat girls)