Perhaps you can tell us what you have been trying. It is kind of hard to say what you are doing wrong or offer good suggestions without knowing what you have been doing
Btw, it is no shame to lose to Easy AI, especially Ermor AI. When it comes down to it, Easy Ermor AI is difficult for the other AI nations to handle even if these are Impossible AIs. So if left unchecked by human player early on, the Ermor Easy AI has good chance of absorbing territory from other AI nations and gain tremendous strength when you finally face them.
-Gateway103