Codger (noun)

An old man, especially one who is eccentric or cantankerous.

Origin:

The word "codger" is from the british dialect word "codger" meaning "old man".

Examples:

1. The codger sat alone on the park bench, muttering to himself.
2. He was seen as a bit of a codger but everyone knew he was a good man at heart.
3. He was known as a codger, but had a wealth of knowledge and experience that others could learn from.
4. The codger was always grumbling about the neighborhood's changes.
5. The codger was a regular at the local pub, where he would tell stories of his youth.