Sentence:  The Christians could afford to spend generations converting northern Europe and that's exactly what they did. We have that example from history. We know there are other faiths out there that want to wipe us out, and there are other faiths out there that want to <WSD>Borg</WSD> us. The fact that some are still here after decades means we aren't giving in this time, and you're one of the ones here over a decade." 
Meaning of the word marked with <WSD> tags:  To assimilate rivals, via corporate acquisition or religious proselytisation.