New user to be a member of Editor

I want a help regarding creation of email id. My requirement is I want to configure in such a way that whenever I register a new user, I want him/her to be a member of Editor by default.Please help me out…

Subject: New user to be a member of Editor

What do you mean by member of Editor ?Is that a group? In that case, just add the person into that group when registering the user.