harbourer:
(also ‘harborer‘, mostly in American English usage; plural: ‘harbourers‘; for the right pronunciation of this word, please click here, when the page opens, you’ll see two flag icons on the left top corner of the page, and click on the American flag icon for American pronunciation and British flag icon for British pronunciation)
a person who gives protection to criminals or enemies by giving them food and shelter, because he does not like the police or the policies of the present government of his country or, in some cases, without knowing that he/she is doing it,

a harbourer harbouring some criminals
The police arrested Mike on charges of being a terrorist harbourer.
Giving shelter and any sort of support to an outlaw of any sort is a crime and the harbourer who gives such help to the criminals is a criminal, too.
The new investigations reveal that in most terrorist cases, it’s the harbourers that are more responsible for the loss of life and property as a result the terrorist acts than the terrorists themselves, because if there are no harbourers, there is no chance for anyone to do any illegal activity, let alone terrorist activities.
During the war time, most religious groups harboured enemy spies, and when the war was over, those harbourers were declared tyrants and were hanged in public.

a natural harbour
