Xenophobia

Xenophobia, from the Greek ξένος (xénos, foreign) + φόβος (phobos, fear). A fear of that which is inherently other. Xenophobia is inherent in human history and human nature to some degree. Examples of xenophobia are evident in common American culture, such as the fear of the influx of Mexican culture in the border states and many American's fears of inner city blacks.