Final answer:
Derik Henry is a lienor who has a legal right to hold Nick Saban's national championship rings as security for a debt. The correct answer is option a.
Step-by-step explanation:
The subject of this question is Law. The student is asking about the role of Derik Henry in the context of a payment of Nick Saban's debt, which is guaranteed by Nick Saban's five national championship rings.
Derik Henry, in this case, would be a lienor. A lienor is a person or party who has a legal right to hold the property of another person as security for a debt or claim. In this situation, Derik Henry would have a right to retain Nick Saban's national championship rings until the debt is paid.