15 Then the angel said to me, “The waters you saw, where the prostitute sits, are peoples, multitudes, nations and languages.

Read Revelation 17:15 Using Other Translations

And he saith unto me, The waters which thou sawest, where the whore sitteth, are peoples, and multitudes, and nations, and tongues.
And the angel said to me, "The waters that you saw, where the prostitute is seated, are peoples and multitudes and nations and languages.
Then the angel said to me, “The waters where the prostitute is ruling represent masses of people of every nation and language.