You can create an Antenna (top right of your timeline header) and add hastags (and specific words) to it. You can have multiple Antennas.
I've been told that there is no way to incorporate that into the main feed, unfortunately. However, hashtags tend to be pretty messy so I totally get putting them in their own timelines.
A community to talk about the Fediverse and all it's related services using ActivityPub (Mastodon, Lemmy, KBin, etc).
If you wanted to get help with moderating your own community then head over to !moderators@lemmy.world!
Learn more at these websites: Join The Fediverse Wiki, Fediverse.info, Wikipedia Page, The Federation Info (Stats), FediDB (Stats), Sub Rehab (Reddit Migration)