The crossword solution for the term 'ROOT, FOR ONE' is ELIHU. Elihu is a figure in the Hebrew Bible who was a contemporary of Job and his friends. He is known for his speeches to Job and his friends, which are found in the Book of Job. Elihu is described as a young man who was full of wisdom and understanding. He is seen as a mediator between Job and God, and his speeches are meant to bring comfort and understanding to Job.