The phrase "are head of" implies being in charge, leading or managing. Its antonyms are words that express the opposite meaning such as subordinate, follower, underling, or junior. Being subordinate means being lower in rank or position, while follower refers to someone who follows or obeys another person. Underling denotes someone who is inferior, subservient or dependent on a superior. Junior is used to describe someone who is lower in rank, position, or experience. Antonyms are important because they help to provide balance, contrast and variations in the English language. Knowing their meaning and usage can aid in effective communication and understanding.