Final answer:
In the play 'Cyrano de Bergerac,' De Guiche is Christian's protector, as he places Christian in Cyrano's company within the army.
Step-by-step explanation:
The subject of the question is the literary character Christian's protector in the play Cyrano de Bergerac. In the context of the play, the correct answer is De Guiche. Throughout the story, Count de Guiche, although an antagonist with his own agenda, inadvertently serves as Christian's protector by involving him in the army company led by Cyrano.