people who are walking past sb/sth by chance
passers by
left by the people who owned or used it
abandoned
to move on hands and knees
crawl
to get better after an illness, accident, shock, etc
recover
a person whose job is to look after a park or forest and cause harm
ranger
to happen suddenly
strike
. to die from being underwater and unable to breathe
drown
Extremely surprised or shocked
stunned
to notice sb/sth especially when it is not easy to do so
spot