"Ill-treats" is a term that can be described in many different ways depending on the context. Some synonyms include "mistreats," "abuses," "torments," "harasses," "oppresses," "bullies," and "intimidates." These words all convey a sense of causing harm or suffering to someone, whether it is physically, emotionally, or psychologically. Additionally, other synonyms might include "victimizes," "discriminates against," "demeans," and "degrades." Each word has its own nuances and connotations, but all point to the same underlying idea of treating someone unfairly or in a harmful manner. Use of these synonyms suggests a condemnation of such actions and the recognition of their negative implications.