The term 'Person Who Resists Change' can be summarized as a DIEHARD, which is a seven-letter word. A DIEHARD is someone who is strongly opposed to change and is determined to maintain their beliefs and values despite any opposition. They are usually very passionate about their cause and will not give up easily. Diehards are often seen as stubborn and inflexible, but they can also be admired for their unwavering commitment to their beliefs.