βουλευτής

οῦ, ὁ
A. councillor, senator, Il. 6.114, Hdt. 9.5, Pl. Ap. 25a, etc.; at Athens, one of the 500, Antipho 6.45, And. 1.43, Ar. Th. 808; at Rome, senator, D.H. 2.12, Plu. Rom. 13, etc.
2. plotter, contriver, θανάτου, πληγῆς, Antipho 4.3.4.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project