Vulnerable People
Racism is the belief that there are human groups with particular (usually physical) characteristics that make them superior or inferior to others. Racist behaviour can be not just overt, such as treating some people according to their race or colour, but also covert, when society systematically treats groups according to some form of discriminating judgement.
Some groups of people are more vulnerable than others and often become the victims of one or several forms of discrimination, such as: