Clue: Hazard hampering Leander's first return to see Hero (2,3)
Answer: EL CID
Explanation: Hazard hampering Leander's first return to see Hero (2,3)
<=**DICE** (hazard) "hampering"** L**(eander) 
The name given by the Moors to Rodrigo, an 11th century Castilian hero.