A.
Setup a Member Variable
To do this go to member variables page (/admin/membervariables) and add a member variable for the about me section
Add it to a Page
Inside of an editable WYSIWYG section of a page add the code
~var#
~ where you want the content to appear. Be sure to get the correct code where # is replaced with the number of the member variable. You can get the correct code either from the member variables page or from "View/Info" -> "Dynamic Info (~~)" in the page editor.
Test it Out
Go to the members page (/admin/members) and
login as a member. Go to their profile (/admin/profile) and enter a value for their about me section. Then view the member's page where you added the member variable ~~ code and you will see the content there.