The Sentence Diagram Generator will visually represent the grammatical structure of the sentence: "We need to fight against our captors, or we, who hold fire in our hearts, will perish before we can rise."

1. Main Clause: "We need to fight against our captors"

   • Subject: "We"
   • Verb: "need"
   • Infinitive Phrase: "to fight against our captors"
     • Verb: "fight"
     • Prepositional Phrase: "against our captors"
       • Preposition: "against"
       • Object: "captors"
         • Possessive Adjective: "our"

2. Coordinating Conjunction: "or"

3. Second Main Clause: "we, who hold fire in our hearts, will perish before we can rise"

   • Subject: "we"
   • Relative Clause: "who hold fire in our hearts"
     • Subject: "who"
     • Verb: "hold"
     • Object: "fire"
       • Prepositional Phrase: "in our hearts"
         • Preposition: "in"
         • Object: "hearts"
           • Possessive Adjective: "our"
   • Verb: "will perish"
   • Adverbial Clause: "before we can rise"
     • Subject: "we"
     • Modal Verb: "can"
     • Verb: "rise"

This structure can be visually diagrammed to illustrate the relationships between the components of the sentence.