A Moderator is someone who makes the forum work so the members can feel comfortable there, that they feel comfortable to express their opinions and stay there.
Now, all I've seen is insulting, fighting, arguing, and where's the admins?
If there is a mod that can't get a long with MANY members, then somehow the admin(s) should compromise to a solution that will somehow atleast satisfy everyone, including the involved moderator and members.
To turn a deaf ear to the members won't help, because then you put the moderator in a bad position, and this will contribute to even more arguing in this site.