Foreigners.
This is a very touchy subject world-wide, not just in the British isles. When we look at this subject we tend to always focus on the negatives of strangers, rather than the benefits.
Humanity has the tendency to discriminate the poor from the rich, seeing the poor as sucking the economic benefits and not working. Deuteronomy 10:18, James 2:1-4.
Ask me and I will tell you! 