This is the 8095th most frequent Polish word.
norwegowi
"Norwegowi" means "to a Norwegian" (dative case).
Here, 'norwegowi' is in the dative case, indicating the indirect object of the action of giving.
Dałam norwegowi książkę o górach.
I gave the Norwegian a book about mountains.
'Norwegowi' is again in the dative case, used as the receiver of liking in combination with the verb 'podoba się'.
Czy norwegowi podoba się ten obraz?
Does the Norwegian like this painting?
In this instance, 'norwegowi' is also in the dative case, acting as the recipient of the information from the verb 'opowiem'.