An old man who stays locked in his house all day and who gets mad when people try to come and visit is an example of a hermit.
Other Word Forms
Origin of hermit
- Middle English heremite from Old French from Medieval Latin herēmīta from Late Latin erēmīta from Greek erēmītēs from erēmiā desert from erēmos solitary
From American Heritage Dictionary of the English Language, 5th Edition