The modlog is the channel where all moderation actions (kick, ban, and unban) preformed by Circle are logged. To change your server's modlog channel, navigate to your server's dashboard, click Moderation, and select the new channel from the drop-down provided.
The moderator role gives users access to moderation commands (
unban, and a few others)
You can change the moderator role by accessing your server's Moderation plugin settings, and selecting the role from the drop-down provided.