σπεκουλάτωρ
σπεκουλάτωρ, ορος, ὁ,= Lat.
A). speculator, prop. scout: but in the Roman Imperial army,
1). one of the principales or head-quarters' staff of a legionary commander or provincial governor (whose duties included the carrying out of executions), Ev.Marc. 6.27 , POxy. 1193.1 (iv A.D.), etc.
2). one of the Imperial body-guard (speculatores Augusti),= δορυφόρος,