Sand rat is a derogatory term used to describe people of Arabic or North African descent, particularly those living in North Africa. This term is offensive and racist, and it should not be used by anyone. Instead, there are plenty of other words that can be used to describe people from these regions in a respectful and neutral manner. Some synonyms for the term sand rat may include North African, Arab, Berber, Maghrebi, or simply referring to the person's specific country of origin such as Moroccan or Algerian. It is important to avoid using derogatory terms like sand rat and instead choose respectful and appropriate language when referring to people of different cultures and ethnicities.