You're talking about how a particular party or group within a party behaves. Presumably you're talking about the DSA. That's fine.
Being socialist just means being an advocate for policies which put society above the individual.
- Public education / healthcare / housing
- A strong welfare system
- Favouring government run services for necessities over corporate solutions. E.g. water / power / transport services.
Being socialist just means that you agree that those a good goals. It doesn't say anything about how you think they should be achieved.