The term 'HARD LITTLE WORKER' can be summarized as a three-letter word: 'ANT'. Ants are small, hardworking insects that live in colonies and work together to build complex structures and forage for food. They are known for their strength and endurance, and can carry up to 50 times their own body weight. Ants are also capable of working long hours without rest, making them an ideal metaphor for hardworking individuals.