Possible Clues:

• Administers an oath to
• Administers oath to witness showing unusual wariness
• Administers oath to witness home after ship crosses river
• Readies for testimony
• Old police force guarding Don up North delivers oath
• Inducts into office although answer is wrong
• Delivers oath to emphasise it's the reason one is in hell
• Inducts into office when answer is correct
• Gives the oath
• Administers an oath of office to