The Irish are a patriotic people - it doesn’t matter that this slave is Italian-born, it is expected to adulate the country of it’s Mistress.
In fact, it’s Mistress particularly enjoys making her foreign girls degrade their homeland and praise the one where they find themselves collared and at the mercy of their Celtic Goddess.
Serving a Goddess personally is a desirable and sought after position for slaves. However, there can also be horribly steep drawbacks. When a Goddess passes, most of her wealth is given as inheritance to her daughters, extended family, or friends. But sometimes, Goddesses will have special clauses in their sealed wills, only seen and known after their deaths stipulating that, like the Pharaohs of old, they be buried with their prized possessions. Dead or alive.