Multi-language support required for front end forms and emails?

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I am wondering if I need Multi-language support for my use case:
All my back end users will use English but I need to display webforms and send broadcast emails in both English and French.

For the public webforms I have not yet decided whether I will use the profiles function or the Drupal CiviCRM webform module.
Can either of these work without Multi-language support for example simply by changing the labels of the fields?
I have multiple languages enabled on my Drupal site so that content can be translated and the user can choose an alternate language for the content item.

Thanks for reading. Please let me know what you recommend in this case.