Tolerance vs. social acceptance
http://daily.stanford.edu/article/2008/5/30/toleranceVsSocialAcceptance
5/30/2008
"True acceptance means possessing both tolerance and social comfort for a particular group of people. The social aspect of acceptance is just as crucial as tolerance. Social isolation is one of the most painful experiences in life — everyone knows the sting of feeling unwelcome."
If its true that:
everyone knows the sting of feeling unwelcome.
Then there is nothing special in it, its just part of the human condition.