Not sure if active, but this is a community dedicated to achievements:
https://www.chess.com/club/chess-com-achievement-hunters
Helping with Achievements
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19 hrs ago
0
#2
Thanks a lot
Hi, I'm relatively bad at chess but I can help anyone with achievements that do not require much skill. I'm also looking for the Buddy System and Social Butterfly achievement so if anyone would like to add me I would very much appreciate it. Thanks.