According to the NASW Code of Ethics...
1.05 Cultural Competence and Social Diversity
1. Social workers should understand culture and its function in human behavior and society, recognizing the strengths that exist in all cultures.
2. Social workers should have a knowledge base of their clients' cultures and be able to demonstrate competence in the provision of services that are sensitive to clients' cultures and to differences among people and cultural groups.
3. Social workers should obtain education about and seek to understand the nature of social diversity and oppression with respect to race, ethnicity, national origin, color, sex, sexual orientation, age, marital status, political belief, religion, and mental or physical disability.