I was added to a group in January by an acquaintance as we share a hobby and it was with the idea of arranging to meet up to do this. However, there have been no meetups yet, just general chit chat. The other 7 are all good friends and were in this group before I was, so I tend not to contribute because I feel like an outsider. Would have contributed though if there was outings being planned. I feel like I want to leave it now and am wondering about the etiquette- leave, or ask the person who added me to remove me? I don't want to appear rude.