The term 'ONE OF US?' can be answered with a variety of crossword solutions. The first solution is CELEB, which is an abbreviation for celebrity, a person who is widely known and usually has some degree of fame or public attention. The second solution is ISSUE, which is a problem or matter that needs to be addressed. The third solution is ESS, which is short for essential, something that is absolutely necessary. The fourth solution is SINNER, which is someone who has committed a sin or wrongdoing. The fifth solution is YOU, which is the pronoun used to refer to the person being addressed. The sixth solution is HUMAN, which is a species of mammal that is characterized by its ability to think and reason. The seventh solution is YOUORI, which is a Japanese term meaning 'YOU and I'. The eighth solution is HUMANBEING, which is a person who is alive and has HUMAN characteristics.