Answer: B) the relationship between a leader and his warriors.
Explanation: the denotation of a word is its literal meaning, the definition that we can find in a dictionary, a word can have several denotations (or definitions). The denotation or definition of the word "comitatus" is a retinue of warriors serving a leader, especially in pre-Christian Germanic cultures, such as Anglo-Saxon England and Viking Age Scandinavia. So, from the given options, the one that is the best definition for "comitatus" is option B.