Final answer:
A coadjutor is someone who works with another, usually in a subordinate position, as an assistant.
Step-by-step explanation:
The word 'coadjutor' refers to someone who works with another, usually in a subordinate position, as an assistant.
For example, in the context of the text provided, an aging bishop or an archdeacon who is unable to perform their duties due to illness or disability may be assigned a coadjutor to help them carry out their responsibilities.
Overall, a coadjutor is someone who provides support and assistance to another person in a position of authority or leadership.