The best replacement for visitor is guest.

The best alternatives to visitor are rated as following:
★★★★★  guest
★★★★  home
★★★  unique visitor
★★★  visitors
★★  decorator
★★  visiter
★★  tourist
★★  visit
★★  view wordpress
★  receptionist
★  receptionist mass effect
★  iterator
★  double dispatch
★  midwife
★  strategy pattern
  running blind
  visitor
  tier 4
  hometown huck
  danny kaboom
  new visitor
  occupant

Your alternative for visitor is not listed? Suggest!
Speaking about visitor, one probably shouldn't forget about composite.

Other search terms related to visitor and their ratings are:
★★★★★ composite
You have in mind a companion for visitor and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of visitor in all years. Click on graph for more.
visitor
guest
home