Page

1 a  (1): a youth being trained for the medieval rank of knight and in the personal service of a knight  (2): a youth attendant on a person of rank especially in the medieval period b: a boy serving as an honorary attendant at a formal function (as a wedding)

2: one employed to deliver messages, assist patrons, serve as a guide, or attend to similar duties

3: an act or instance of paging

Synonyms - announce, attendant, bellboy, bellhop, footboy, gofer, messenger, paginate, servant, usher, valet 

Example - To become a Kinight in Shinning armor I must first go through the trails of a Page.