The word "disfigurer" refers to someone or something that causes damage or deformities to a person's appearance. Some synonyms for this word include maimer, mutilator, vandal, and destroyer. Other related words might include defacer, dissembler, or distorter. These terms all suggest a sense of violence or malice, as they imply intentional harm or damage. When describing someone who causes physical harm or scarring to another person, it may also be appropriate to use words like abuser, attacker, or assailant. Ultimately, the choice of synonym will depend on the specific context and degree of harm being inflicted.