Final answer:
Bill Ryder likely doesn't want Dave to see his face due to an emotional or symbolic burden related to their shared experiences and possibly due to shame or guilt, echoing themes present in the story's narrative about Bess and her past as Oldring's Masked Rider.
Step-by-step explanation:
In the context of "After the Battle," it appears that Bill Ryder does not want Dave to see his face because it carries a strong emotional or symbolic burden related to their shared experiences and possibly Bill's shame or guilt. The texts provided do not contain a character named Bill Ryder directly, but they discuss themes of identity, the burden of the past, and the struggle to reconcile one's actions, particularly in relation to Bess, who was formerly known as Oldring's Masked Rider. The reluctance to show one's face can be a metaphor for not wanting to reveal one's true self or past sins, similar to how Bess's tanned line represents her transition away from her past.
The references to Bess and the Masked Rider, as well as the struggle with the recognition of her past, including the period when she was with Oldring, can hint at why someone like Bill Ryder might not want to reveal their face in a similar context. It is a story of redemption, hidden identity, and the complexities that come with trying to leave behind a notorious reputation.