Don’t bother, just make your own communities or magazines and contribute to them regularly.
“If you build it, they will come.”
You can tell people about it if you like (especially if it comes up casually in conversation), but if you try to push it too hard you’ll drive people away.
If the fediverse grows too quickly, it will also introduce more problems existing systems may not be able to handle.
I’m a dude, you’re a dude…