Seven of Nine is a fictional character from the television series Star Trek: Voyager. She is a former member of the Borg, a collective of cybernetically enhanced beings. Seven is introduced in the fourth season and is known for her unique blend of human and Borg traits, which creates a compelling dynamic within the crew. As a character, Seven of Nine struggles with her identity and humanity after being liberated from the Borg. Her journey involves learning to connect with the Voyager crew and understanding human emotions, making her a significant figure in the series' exploration of individuality and belonging.