Another interesting way of finding new people is Listing all nostr communities and adding the owners of the ones you like.

I listed 300 of them and added around 20 people to my list in this way, including nostr:nprofile1qqsvdxm3m3tylhp4ptxal7ff7fwhyq4vz3cvsaygvz9adkvwgf46wccpr9mhxue69uhhyetvv9ujuumwdae8gtnnda3kjctv9uq3zamnwvaz7tmwdaehgu3wwa5kuef0qythwumn8ghj7un9d3shjtnwdaehgu3wvfskuep0urhjv6.

If there's interest I can put the site online.. it's very simple