spectator
individual
mortal
person
somebody
someone
soul
attender
audile
auditor
discoverer
eyeglass wearer
finder
hearer
informant
listener
looker
motile
noticer
seer
spotter
viewer
visualiser
visualizer
watcher
witness
witnesser
on-looker
Boulder
bolder
boulder
colder
folder
golder
holder
molder
moulder
older
polder
shoulder
smolder