Answer:
The character of The Fisherman and his Wife that is most important to the theme People who are never satisfied with what they have will usually end up with nothing is the fisherman's wife.
Explanation:
When the fisherman caught the enchanted fish, he let him go since he was satisfied with his simple kind of life but as soon as his wife knew about it, she started to ask for more and more thing she would never settle and just be happy with what she had, she was extremely greedy and the fish made her pay for it at the end.
