σπεκουλάτωρ, ορος, ὁ, = Latin
speculator, properly
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), [
NT+4th c.AD+]
2) one of the Imperial body-guard (
speculatores Augusti),= δορυφόρος, [
Refs]