Convince your friends to come to Lemmy? If they don’t they really are not worth associating with.
What you want to do sounds like hosting a community that would mirror this community?
That’s easily done with using the “Create Community” tab in the upper left

Freedom of expression is gone there and has been for a while. SPEZ = Kim Jung Un basically

Lemmy > Reddit in literally every way. Only a matter of time until Reddit becomes Myspace 2.0