The Jews in the crowd pushed Alexander to the front, and they shouted instructions to him. He motioned for silence in order to make a defense before the people.
NIV
Some of the crowd called upon Alexander [to speak], since the Jews had pushed and urged him forward. And Alexander motioned with his hand, wishing to make a defense and [planning] to apologize to the people.
AMP
And they drew Alexander out of the multitude, the Jews putting him forward. And Alexander beckoned with the hand, and would have made his defence unto the people.
KJV