This is not office politics. It is called chauvinism , racism and unprofessional atmosphere . You need to collect evidence to use it against this loudmouth idiot and to share it with HR department . You have take some action , collect some evidence and be pro-active about it if you want things to change, if you cannot do all this then change the job and hope that you end up working at a place of your liking. Please visit this site to learn a things or two on how to deal with these kinds of situations at work , it is a very good resource for people like you. http://www.officepolitics.com