Final answer:
The person most likely to be described as 'impertinent' in a soldier's life is a disrespectful soldier lower in rank.
Step-by-step explanation:
The MOST LIKELY person in a soldier's life to be described as 'impertinent' would be a disrespectful soldier lower in rank. In the military hierarchy, rank is highly valued and a lower-ranking soldier showing disrespect to a higher-ranking one would be seen as impertinent. An inexperienced fellow soldier may not have the knowledge or skills yet, but that does not necessarily make them impertinent. An enemy soldier caught running away may be seen as a threat, but not necessarily impertinent in the context of the soldier's life.
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