1) Contract accepter 2) Contract endorser 3) Contract inker 4) Contract player 5) Contract principal 6) Document endorser 7) Dotted line user 8) Dotted-line user 9) Endorser 10) John hancock writer 11) John Hancock, notably 12) One of 56 in 1776 13) Petition name 14) Registrant Found on https://www.crosswordclues.com/clue/signee