Answer:
A broker can be charged with violating the Fair Housing Act (FHA) for several reasons, including:
1. **Discrimination**: Treating potential buyers or renters differently based on race, color, national origin, religion, sex, familial status, or disability.
2. **Refusal to Sell or Rent**: Refusing to sell or rent a property to someone based on the aforementioned protected characteristics.
3. **False Representation**: Misrepresenting the availability of housing to someone based on their protected characteristics.
4. **Discriminatory Advertising**: Creating or distributing advertisements that suggest a preference for or against certain protected groups.
5. **Harassment or Intimidation**: Engaging in behavior that harasses or intimidates individuals based on their protected characteristics.
These actions can trigger investigations and charges under the FHA.