Dreaming of being in the company of a harlot, denotes ill-chosen pleasures and trouble in your social circles, and business will suffer depression. If you marry one, life will be threatened by an enemy.
Dream dictionary: Harlot dream meanings
…Dreaming that you are in the company of a prostitute, denotes that you will incur the righteous scorn of friends for some ill-mannered conduct. For a young woman Dreaming of a prostitute, foretells that she will deceive her lover as to her purity or candor. This dream to a married woman brings suspicion of her husband and consequent quarrels. See Harlot….