Cameron will happily be friends with Marius! She would very possibly have encountered him at work? I know K9 officers and their dogs aren't often at fires but there are bound to have been incidents where FD and PD, including K9, were required!
I think we all know how Cameron and Eris will get along/interact.
And I can't see any reason why Cameron wouldn't think Estella is a lovely young woman! :D
This doesn't feel very helpful but this has been a week at work. Oy.