Currently, the Alliance Leader is the only one who can transfer his/her leadership. This means that it is not possible for us to make someone else the Leader even though the current Leader is inactive or has been inactive for an extended period of time. Our best advice is for you and other active members to create a new Alliance or even go to another Alliance together.
If you accidentally transferred your Alliance ownership to someone else, kindly ask the promoted member to return the Alliance ownership since we are not able to revert the action.