Step 1: Combining sentence into a Complex Sentence.
In a complex sentence, one independent clause is combined with a dependent clause. We can connect these two ideas using a subordinating conjunction like "who," "which," or "that." Step 2: Combining the sentences.
Some people who die for a noble cause are honoured by everyone. Step 3: Conclusion.
The combined complex sentence for sentence is: Some people who die for a noble cause are honoured by everyone.