The term 'little man' is often used to refer to someone who is short in stature. However, it can also be interpreted in many other ways. Alternative expressions, such as 'little guy', 'small fry', and 'midget', can be employed when referring to someone small in size. 'Insignificant person', 'nobody', 'nonentity', and 'little person' can be used when talking about a person who has minimal or no influence. On a positive note, the phrase 'miniature hero' or 'little superhero' can be used to describe someone who is small in size, but has a tremendous heart and courage. Ultimately, the choice of words will depend on context and the tone of your message.