Threescore and ten pieces of silver - Probably shekels; and this was the whole of his exchequer. As he was now usurping the government of God, he begins with a contribution from the idol temple. A work begun under the name and influence of the devil is not likely to end to the glory of God, or to the welfare of man.

Hired vain and light persons - אנשים ריקים ופחזים anashim reykim uphochazim, worthless and dissolute men; persons who were living on the public, and had nothing to lose. Such was the foundation of his Babel government. By a cunning management of such rascals most revolutions have been brought about.

And they gave him seventy pieces of silver out of the house of Baalbirith,.... The temple of their idol; of this name See Gill on Judges 8:33, out of the money which had been dedicated to his service by freewill offering, or out of a bank which they deposited there for greater safety, and perhaps out of a superstitious notion of its being more prosperous and successful: of what value these pieces were is not certain; by pieces of silver, commonly shekels are meant; but these are thought to be of too little value to be given to a man to raise an army with, or carry on a scheme to advance himself to the throne; and talents are judged to be too large a sum for such a city to contribute out of a temple of theirs, and that but lately built, as it must be since the death of Gideon; they are therefore thought to be pounds, as the Vulgate Latin version renders it; however, in the number of them there seems to be some reference to the number of Gideon's sons, who were to be destroyed by bribing men with this sum, which was the scheme concerted between Abimelech and the men of Shechem:

wherewith Abimelech hired vain and light persons, which followed him; perhaps seventy of them, giving to each a piece or pound of silver; these were a base scoundrel sort of people, that lived in an idle scandalous manner, a sort of freebooters, that lived upon what they could lay hold on in a way of force and rapine; men of light heads and empty brains, and whose pockets were as light and empty as their heads, and fit to engage in any enterprise, though ever so barbarous, for the sake of a little money.

They gave him seventy shekels of silver from the house of Baal-berith, i.e., from the treasury of the temple that was dedicated to the covenant Baal at Shechem, as temple treasures were frequently applied to political purposes (see 1 Kings 15:18). With this money Abimelech easily hired light and desperate men, who followed him (attached themselves to him); and with their help he murdered his brethren at Ophrah, seventy men, with the exception of Jotham the youngest, who had hidden himself. The number seventy, the total number of his brethren, is reduced by the exception mentioned immediately afterwards to sixty-nine who were really put to death. ריק, empty, i.e., without moral restraint. פּחז lit. gurgling up, boiling over; figuratively, hot, desperate men. "Upon (against) one stone," that is to say, by a formal execution: a bloody omen of the kingdom of ten tribes, which was afterwards founded at Shechem by the Ephraimite Jeroboam, in which one dynasty overthrew another, and generally sought to establish its power by exterminating the whole family of the dynasty that had been overthrown (see 1 Kings 15:27., 2 Kings 10:1.). Even in Judah, Athaliah the worshipper of Baal sought to usurp the government by exterminating the whole of the descendants of her son (2 Kings 11). Such fratricides have also occurred in quite recent times in the Mohammedan countries of the East.

And they gave him threescore and ten pieces of silver out of the house of Baalberith, wherewith Abimelech hired vain and light persons, which followed him.

9:4 Pieces of silver - Not shekels, which were too small a sum for this purpose; but far larger pieces, the exact worth whereof it is not possible for us now to know. The house of Baal - berith - Out of his sacred treasury; having since Gideon's death built this temple (which he would never have suffered whilst he lived) and endowed it with considerable revenues. Light persons - Unsettled, idle and necessitous persons, the proper instruments of tyranny and cruelty.

4. the house of Baal-berith-either the temple, or the place where this idol was worshipped; Baal-berith, "god of the covenant," by invocation of whom the league of cities was formed.

Abimelech hired vain and light persons, which followed him-idle, worthless vagabonds, the scum of society, who had nothing to lose, but much to gain from the success of a revolutionary movement.

9:1-6 The men of Shechem chose Abimelech king. God was not consulted whether they should have any king, much less who it should be. If parents could see what their children would do, and what they are to suffer, their joy in them often would be turned into sorrow: we may be thankful that we cannot know what shall happen. Above all, we should fear and watch against sin; for our evil conduct may produce fatal effects upon our families, after we are in our graves.