Possible Clues:

• And E.S. makes it not so hot for Ann, by the sound of it
• South American or European character offering little reward
• Greek character meeting thin South American
• Native of Santiago
• Honest about greeting foreign character
• Poet Pablo Neruda, for one
• South American islands are inclined to stay hot
• Santiago resident
• Without obscenity receiving greeting from Spanish speaker
• From Santiago, say?