A.T. Robertson Commentary Acts 4:26

"The kings of the earth set themselves in array, And the rulers were gathered together, Against the Lord, and against his Anointed:" — Acts 4:26 (ASV)

Set themselves in array (παρεστησαν). Literally, stood by.

Against his Anointed (κατα του Χριστου αυτου). Against his Messiah, his Christ.