And Jehu went... into the house — i.e., into the outer court before the temple, where all the worshippers were waiting.
That there be here with you none of the servants of the Lord. — This precaution of Jehu’s suggests suspicion to a modern reader, but it would suggest the very contrary to the Baal-worshippers — viz., an extraordinary reverence for Baal; a dread lest some profane person should be present in his sanctuary.
Servants of the Lord. — Worshippers of Jehovah.