BARTIX WOULD NEVER ALLOW SUCH MONGRELS INTO THEIR ARMY, plus the selukid influence wouldn't on their small island off arabia.

The shield looks like it'd be something closer to the mediteranian or a little north but not as far east as the Saka. plus the white fringe around the neck makes me think it could be some sort of saka religious unit as the team said that the saba had a rather vicously advancing religion.

war priesty guy
sabean
i don't know the team that well, i will guess THE NEW GUY, whoever you are