Galearii - military slaves who fought

[Peroni]

Such servants appear not infrequently on military tombstones, specifically those of cavalrymen...
... The servant wears a tunic and a helmet, and a pair of spears rests across his shoulder."

IIRC from an earlier post by Graham Sumner, some of these Calones were also either lightly armoured or wearing a type of over-jerkin similar that of 'Firmus'

The calo of trooper 'Silius' (great name) is a good example..
http://www.romanarmy.com/cms/component/ ... Itemid,94/ [/quote]