Seven of Nine
Seven of Nine is a Borg from the Star Trek Voyager Series that was introduced inbetween the Battle with Species 8472 and The Borg Collective. Seven of Nine was a borg representive like Locutus during an unstable alliance with the Borg.
Seven of Nine after severed from the Collective.
Seven after beamed over to Voyager after the destruction of her cube by Species 8472 and that the alliance was over when Voyager and the Borg defeated Species 8472, the Voyager crew Severed her from the Collective.