Seong Gi-hun is the protagonist of the South Korean series 'Ojing-eo Geim,' also known as 'Squid Game.' He is a down-on-his-luck chauffeur and gambling addict who struggles to provide for his daughter and mother. Despite his flaws, Gi-hun is portrayed as a compassionate and morally upright individual. He becomes one of the 456 players competing for a multi-million dollar prize in a deadly series of children's games. Throughout the series, Gi-hun's character is central to exploring themes of desperation, survival, and the impact of socioeconomic inequality.