'Elders' in the Bible

Why do thy disciples transgress the tradition of the elders? for they wash not their hands when they eat bread.

From that time began Jesus to show unto his disciples, that he must go unto Jerusalem, and suffer many things of the elders and chief priests and scribes, and be killed, and the third day be raised up.

And when he was come into the temple, the chief priests and the elders of the people came unto him as he was teaching, and said, By what authority doest thou these things? and who gave thee this authority?

Then were gathered together the chief priests, and the elders of the people, unto the court of the high priest, who was called Caiaphas;

And while he yet spake, lo, Judas, one of the twelve, came, and with him a great multitude with swords and staves, from the chief priest and elders of the people.

And they that had taken Jesus led him away to the house of Caiaphas the high priest, where the scribes and the elders were gathered together.

Now when morning was come, all the chief priests and the elders of the people took counsel against Jesus to put him to death:

Then Judas, who betrayed him, when he saw that he was condemned, repented himself, and brought back the thirty pieces of silver to the chief priests and elders,

And when he was accused by the chief priests and elders, he answered nothing.

Now the chief priests and the elders persuaded the multitudes that they should ask for Barabbas, and destroy Jesus.

In like manner also the chief priests mocking him , with the scribes and elders, said,

And when they were assembled with the elders, and had taken counsel, they gave much money unto the soldiers,