Answer: Garcin, linez and Estelle were in there cause of their sins.
And cause they are dead.
Explanation:
In their past lives, they did horrid things, Garcin, treated his wife badly.
Estelle murdered her baby, and the father fell into despair and killed himself.
Inaz she caused a huge disagreement in house and left with her cousin's wife.
They are trappen in the room, because they are dead.
