'Speaker' in the Bible

Then Moses said right in front of the LORD, "Look, the Israelis didn't listen to me, so how will Pharaoh? I'm not a persuasive speaker."

Moses said in the presence of the LORD, "Look, I'm not a persuasive speaker, so how will Pharaoh listen to me?"

They began to call Barnabas Zeus, and Paul Hermes, because he was the main speaker.

If I don't know the meaning of the language, I will be a foreigner to the speaker and the speaker will be a foreigner to me.

If an interpreter is not present, the speaker should remain silent in the church and speak to himself and God.