Lord and Lady are honorifics used to address someone of
authority. The exact authority needed is uncertain but seems
roughly to be Warlord or higher, with use increasing with
formality and the relative rank of the addressee. Being noble
isn't a prerequisite for being addresses as either "Lord" or
"Lady". People referred to as Lord/Lady Erfworlders may
erroneously believe that Parson is a Noble unit because they
can't see his stats and because he introduced himself to them as
"Lord Hamster", which was originally the pen name he used when
writing his webcomic. Real World References Lord is an honorific
used to address a noble. The difference between an honorific and
a title A honorific is used to preface a person's name as a sign
of respect. A title is something a person posses that is not
part of their name. People of different rank or title can share
the same honorific. If Steward is a Baron he would be addressed
as "Lord Steward". Something can be both a title and an
honorific (i.e. "Prince") but it does not