John Gill Commentary Luke 23:51

"(he had not consented to their counsel and deed), [a man] of Arimathaea, a city of the Jews, who was looking for the kingdom of God:" — Luke 23:51 (ASV)

The same had not consented to the counsel and deed of them ,
&c.] Though he was with the Jews, the chief priests, Scribes, and elders, in the high priest's palace, being one of that great council; yet he did not agree with them; nor was it his advice and counsel, that they should put Christ to death; he was against it, at least did not consent to it:

he was of Arimathea, a city of the Jews ;
(See Gill on Matthew 27:57). This clause in the Syriac and Persic versions stands in the preceding verse, and follows after the mention of his name and office, and where it seems most natural;

who also himself waited for the kingdom of God ;
(See Gill on Mark 15:43).