Old person and Old-age pensioner

Old person noun - An elderly person.

Old-age pensioner and old person are semantically related in senior citizen topic. In some cases you can use "Old-age pensioner" instead a noun phrase "Old person", when it comes to topics like someone of advanced years.

Old-age pensioner noun - An old person who receives an old-age pension.

Old person and old-age pensioner are semantically related in someone of advanced years topic. You can use "Old person" instead a noun phrase "Old-age pensioner".