This is the 7351st most frequent Japanese word.
人見知り
Shyness or fear of strangers.
In this sentence, '人見知り' is used to describe a general trait or tendency of being shy around unfamiliar individuals.
彼は人見知りなので、新しい人と話す時緊張します。
He's shy with strangers, so he gets nervous when talking to new people.
Here, '人見知り' is used to reflect a personal characteristic or behavior during a specific life stage in the past.
子供の頃、私はよく人見知りでした。
As a child, I was often shy with strangers.
In this context, '人見知り' indicates a temporary behavior or reaction that is overcome with time or familiarity.