This is the 13703rd most frequent German word.
einsitzenden
"Inmates" or "prisoners."
Here, 'einsitzenden' is an adjective describing the persons who are seated, emphasizing their state or position.
Die einsitzenden Personen schienen mit ihrer Reise zufrieden zu sein.
The individuals seated seemed satisfied with their journey.
'Einsitzende' is used as a noun referring to inmates, describing individuals currently serving time in jail.
Im Gefängnis gibt es viele einsitzende, die auf ihre Freilassung warten.
In the prison, there are many inmates awaiting their release.
This usage of 'einsitzende' acts adjectivally to describe passengers who are able to sit inside the airplane.