βουλευτής, βουλευτου, ὁ, a councillor, senator, (buleuta, Pliny, epistles): first in Homer, Iliad 6, 114; of a member of the Sanhedrin, Mark 15:43; Luke 23:50. (Job 3:14; Job 12:17.)
Mark 15:43 - N-NMS GRK:Ἁριμαθαίας εὐσχήμων βουλευτής ὃς καὶ NAS: a prominent member of the Council, who KJV: an honourable counsellor, which INT: Arimathaea prominent Council member who also
Luke 23:50 - N-NMS GRK:ὀνόματι Ἰωσὴφ βουλευτὴς ὑπάρχων καὶ NAS: Joseph, who was a member of the Council, a good KJV: Joseph, a counsellor; [and he was] a good INT: by name Joseph a Council member being also