Tabooed
What "tabooed" means here?
"He and his sister-in-law were tabooed by their neighbors."

In this passage, what "supernatural" means?
"Its windows are without glass, its doorways without doors. But these unfailing signs of the supernatural are partly concealed."

Thanks in advance.

Question

Tabooed
What "tabooed" means here?  
"He and his sister-in-law were tabooed by their neighbors."

In this passage, what "supernatural" means? 
"Its windows are without glass, its doorways without doors. But these unfailing signs of the supernatural are partly concealed."

Thanks in advance.

Answer

Here tabooed means ostracized and banned socially

And the words supernatural I think means beyond natural because we usually don't how such windows and doors