Strong’s Greek
G1010 — bouleutes
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
βουλευτής
bouleutes — pronounced bool-yoo-tace'
from 1011; an adviser, i.e. (specially) a councillor or member of the Jewish Sanhedrin:--counsellor. see GREEK for 1011
1 occurrence in the KJV.
Mark 15:43
Joseph of Arimathaea, an honourable counsellor, which also waited for the kingdom of God, came, and went in boldly unto Pilate, and craved the body of Jesus.