And it came to pass, as he was alone praying, his disciples were with him: and he asked them, saying, Whom say the people that I am? Whom say the people - Οἱ οχλοι, the common people, i.e. the mass of the people. See this question considered on Matthew 16:13 (note), etc.
Related Commentaries of Luke 9:18
Luke 9:18
18 And it came to pass, as he was alone praying, his disciples were with him: and he asked them, saying,Whom say the people that I am?