Text frames do not enlarge, however they can link. That is 1. You can put a masthead on the second page, and put the contributors into the frame when available. You can put a frame on the masterpage and it will allow you to put a running object into all pages, or to fill the frame on individual pages. You can link text from one frame to the next Control Shift Click to break a line, Cut and control shift V to paste.
Frames can have borders or stand-offs or the outline can be invisible.
Move to the master page. Select the graphic and the frame and attach content. Open Frame Options and tgry Click, Fram and Scale. Move the the first page, and place text. Return to the master page and turn on Text Wrap, and return to Page One.