Short answer, no.
Keep in mind, that when the template is used and the page is created, it becomes disconnected from the template and is just like any other page, where everything is available for edit by everyone with permissions to edit.
Even using a form plugin like ConfiForms, which does keep the fields and field names secure, still creates an editable page that can be altered. Though you could configure it to save the page in a read-only space and that would maintain your data.
Otherwise, the only suggestion I have, is to play with graphics for field names as that would take serious conscience effort to change.
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