Is the Greek word ekklesia ever used in scripture to denote unbelievers?

Exodus 20:13 NLT You must not murder. Several translations use the word "shall" in this verse yet the NLT uses "must". In conversation with a gentleman, he posits that "must" is an absolute word and the command cannot be violated. He then says that this creates a contradiction because the Israe...

And I say also unto thee, That thou art Peter, and upon this rock I will build my church; and the gates of hell shall not prevail against it. [Matthew 16:18 KJV] Jesus speaks these words to the apostle Peter and calls something 'my ekklesia'. The question of 'the rock' and Peter is another ques...

We read in Jn 13: 26-27 (NIV): Then he took a piece of bread, dipped it, and gave it to Judas, the son of Simon Iscariot.After he had taken the piece of bread, Satan entered him. Then Jesus told him, “Do quickly what you are going to do " One is intrigued by the use of 'quickly' by Jesus. Is it...