σπεκουλάτωρ
ορος, ὁ
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, Suid.