The term 'ONE OF THEM' can be represented by four different solutions in a crossword puzzle. The first solution is 'ANT' which is a three letter word that refers to a small insect that lives in colonies and is known for its hard work ethic. The second solution is 'FOE' which is also a three letter word that refers to an enemy or adversary. The third solution is 'MUTANT' which is a six letter word that refers to an organism that has undergone a genetic mutation. The fourth solution is 'ORGANIZATIONMAN' which is a fifteen letter word that refers to a person who is part of a large organization. All of these solutions represent the term 'ONE OF THEM' in a crossword puzzle.