Few points in need of enlightenment! (Spoiler)

Camiel is Borgman's first name. It's how he introduced himself to Marina.

I took the cross tattoo to mean what the husband assumed it to be: He'd been marked for death (or something).

The greyhounds were some sort of minions/messengers (devil dogs?) for Camiel. They seemed to be scouts.

There were definite political jabs in there. Some of them may have been too Euro-nuanced (e.g. the Denmark comment) for an American like me to pick up on, but there seemed to be some definite Western-liberal-white-guilt slathered on with the overgeneralized "prosperous" comment and the ridiculously overt "black" comment. These bits felt forced and ham-fisted to me. I would have felt the same way, were it a caricatured southern American making the comments in 2014.

Denmark has very good and effective unions. Maybe it was a jibe about that, and the misapprehension that a Danish would come to work as they please.

The dogs were Borgmans friends. Borgman and his team were 'Alps' which are shape shifters of German folklore.