Imperian has hundreds of help files to help you learn more about the game and how to play.
15.3 Seconds Characters
Second characters in Imperian are allowed, but a higher standard of behavior will generally be expected from those who play multiple characters. Furthermore, using one for the purpose of helping the other is not allowed. Discussing other players second characters is not allowed. If you know the characters of another player, it is bad form to tell other players this information. In addition, it is bad form to inform players about your additional characters. See also HELP MULTIPLAYING