A miser.
scrooge
Ebeneezer Scrooge
A stingy old man might be referred to as a miser or a penny-pincher.
a man with no spirit of Christmas who changes his mind on Christmas eve
He is called a stingy miserly man.
marriage
he's the great man in the world
The adjective is "angry." An adjective is a word which describes a noun. There are two nouns in the sentence mentioned, "man" and "boys." The only word used to describe either noun was "angry," as the word "angry" describes the man.
Yes, "responsible" is a descriptive word that describes someone who can be trusted to do what is expected of them. It conveys a sense of reliability and dependability.
You probably are looking for miser, because that is a common answer to that question is some crossword puzzles. However, a miser does not have to be wealthy; only stingy.
adj. Lacking adult maturity or experience; immature: a callow young man.