Doubtless he had acquainted the ten men with his design, and the assurance of success in it, whereby they were easily induced to assist him, if not sincerely, yet for the expectation of advantage to themselves by it. Because he feared; not so much lest he should suffer for it, for he knew very well the doing it by night with so many hands could not hinder the discovery, and consequently the punishment of it; but lest he should be prevented from doing it.
Related Commentaries of Judges 6:27
Judges 6:27
27 Then Gideon took ten men of his servants, and did as the LORD had said unto him: and so it was, because he feared his father's household, and the men of the city, that he could not do it by day, that he did it by night.