Sanger Rainsford is the main character in the short story "The Most Dangerous Game" by Richard Connell. He is an experienced big-game hunter who finds himself stranded on a remote island after falling off a yacht. Rainsford is resourceful and intelligent, using his skills to survive in a dangerous situation. On the island, Rainsford encounters General Zaroff, a fellow hunter who has turned hunting into a deadly game. Rainsford's character evolves as he faces moral dilemmas and the instinct for survival, ultimately challenging the ethics of hunting and the value of human life.