What that person can do in order of difficulty is talk to the person/group that they are made uncomfortable by, approach their manager about the issue, take the

What that person can do in order of difficulty is talk to the person/group that they are made uncomfortable by, approach their manager about the issue, take the issue to human resources, leave for a competitor that will likely win in the long run with a better work environment, or ultimately sue for being discriminated based on a protected class. None of these options require a company to adopt a political platform.