A distinction is sometimes made between sanitarium (a kind of health resort, as in the Battle Creek Sanitarium) and sanatorium (a hospital). However, in America, the term sanatorium was often used throughout the 20th century as a socially acceptable term for psychiatric hospitals.
The traits of a gentleman include: A gentleman is generous with his time, wisdom, and resources. He willingly serves others and extends a hand to those in need. A gentleman possesses a positive outlook on life.
Here gentleman (a complement in the main clause) is modified by the adjective clause who was born in the village (a). An Advanced English Grammar with Exercises George Lyman Kittredge. Whom I wanted is an adjective clause modifying the noun man.