I am the only one of my kin to call them 'Saints' -- as not only they are fighters, but they are also scholars, educators and protectors of man and what I stand for.
Hades calls his warriors, 'Specters', and Poseidon, 'Mariners.'
... perhaps Athena is different where you come from.
[And highly likely! The last she knew, "Pendragon" is related to myths and legends, and not people of flesh and blood.]