A-7: era isn't much bigger, if at all. It may seem like it but era only has 500 people... Also, I'm sure they may be working on a town of sorts, that's if there not trying to add/fix other cool things you might want to see...
A-8:you see its complicated... Its more or less on how you are as a player, they aren't hiring (they proly don't want to go through applications), but if there is a player that stands out by doing... Something. He MAY, not saying it will happen, Be selected to be an admin. Hope this helped