Is there a way to get Firefox-like-Containers in Safari?

I'm looking for an extensions (or built in feature?) of Safari that does the same as Multi-Containers for Firefox. I need different users/containers to separate private browsing from different works contexts. I found this older post https://apple.stackexchange.com/questions/200236/multiple-user-accounts-in-safari-like-in-chrome and tried Google but not much came out of it. Maybe someone knows a hidden gem