Rohingyas are the indigenous people of Arakan who live in the western part of the Buddhist majority country of Myanmar. They are the worst persecuted people in our time as a result of their religion and race. The fascist Buddhists are denying the rights of the Rohingya to self-identify themselves, which is a clear sign of what others have called the 'slow genocide'. They are opposed to the use of the 'R' word by anyone, including the US government.
Hundreds of people gathered outside the U.S. Embassy in Rangoon, Burma, on Thursday with a simple demand: The United States must stop using the word "Rohingya."
Here is a good article analyzing the issue.