"Longtime follower" refers to someone who has been actively following or supporting something or someone for a significant period of time. Full definition
If you're longtime followers here, you may recognize this little story, because I've probably talked about it before. (picturebookbuilders.com)
For longtime followers, the outcome is not shocking: Avira, Bitdefender and Kaspersky Lab achieved perfect scores, while Microsoft's built - in Windows Defender scraped the bottom of the barrel once again. (tomsguide.com)
Frustrated longtime followers will love that the XX - chromosome half of the brother - sister duo plays it mostly straightforward on her totally charming, engagingly breezy solo debut. (metacritic.com)