The phrase "refuses to obey" can be replaced with various synonyms to add variety and richness to your writing. Some options include "defies," "disobeys," "rebels against," "disregards," "defiantly ignores," "goes against," "opposes," "resists," "rejects," "defects," and "balks at." These words convey a strong sense of opposition or rebellion towards authority or direction from someone else. By incorporating synonyms for "refuses to obey" into your writing, you can add nuance to your language and make your message more impactful.