Final answer:
The adjective that best describes Mr. White's character is responsible.
Step-by-step explanation:
The adjective that best describes Mr. White's character is responsible. This can be seen in how he takes care of his family and makes decisions that consider their well-being. For example, when he is presented with the opportunity to use the monkey's paw to wish for money, he resists the temptation because he knows the consequences it may bring.