That person is my friend.

An old person was walking in the park.

He is an acquaintance of mine.

He tackled his work with the fury of a lion.

The legend of the thunderbird is deeply rooted in ancient mythology.

She became a widow at a young age.

He was wearing clothes that attracted attention.

I am majoring in anthropology at university.

He and his brother look so alike, they seem like the very same person.

He is known as an expert in gerontology.