Please be careful as the platform door is closing.

My mother works as a caregiver.

My grandfather is being seen by a specialist in geriatric medicine.

An old person was playing with his grandchild in the park.

An old person was walking in the park.

He is known as an expert in gerontology.

My grandfather is interested in gerontology.

My grandmother participates in the local old people's club every week.

He lost everything.

She is planning a date with her current boyfriend.