The acts ranged from the mundane to the unexpected: Assisted a tourist with directions because he looked lost.
“No tourist is going to fly out here to look at grass,” Pete said.
If she were a tourist or resident, her disappearance would have more likely been on a national register by now.
A guest on the system, especially one who generally logs in over a network from a remote location for comm mode, electronic mail, games and other trivial purposes. A tourist is one step below a luser.
Hackers often spell this turist, perhaps by some sort of tenuous analogy with luser (this also expresses the ITS culture's penchant for six-letterisms).
Compare twink, read-only user.