A reference to a specific musical opera composed by Ludwig van Beethoven.

A metaphorical or literary reference to loyalty and fidelity.

निष्ठा और वफादारी के लिए एक उपमा या साहित्यिक संदर्भ।

English Usage: "His actions were a true fidelio to his promises."

Hindi Usage: "उसके कृत्य उसकी प्रतिज्ञाओं के प्रति एक सच्चा वफादारी थे।"