unprotected

There seemed to be no alternative but to catch him red-handed, and to do so we had to use Sir Henry, alone and apparently unprotected, as a bait.

“I was saying to him only yesterday, ‘You are imprudent, Monsieur Count; for when you go to Auteuil and take your servants the house is left unprotected.’ ‘Well,’ said he, ‘what next?’ ‘Well, next, some day you will be robbed.’”