What are the opposite words for parent?

The antonyms for the word "parent" could be "orphan" or "abandoned." These words describe a situation where a child does not have a mother or father to look after them. Other antonyms could be "childless" or "barren," indicating a person who does not have children. Additionally, "unfertile" and "sterile" could be used to describe someone who is incapable of having children. Another antonym may be "disown" or "reject," indicating a situation where a parent has severed ties with their child, either by choice or circumstance. These words highlight the different aspects and situations related to the absence of a parent or the inability to become one.