You may relabel the fields on the front-end through the Options > Labelling tab of the Status Tracking plugin. This is a good way for you to translate the plugin only on the front-end. List of fields that may be changed:
  • Tracking form
    • Tracking form title
    • Order number
    • Tracking button
    • Order email address (Optional under your settings)
  • Order display page
    • Order information
    • Field labels
      • Order number
      • Order name
      • Order notes
      • Customer notes
      • Order status
      • Order location
      • Order updated