What do you call a man who does not have all his fingers on one hand?

A man who does not have all his fingers on one hand is typically referred to as having a hand abnormality or a congenital condition. However, there isn't a specific term that universally describes such a person. It could also be described simply as a person with a hand injury or a disability, depending on the context. Ultimately, it's important to refer to individuals with respect and sensitivity regarding their condition.