Fricatrice is a rarely used word that means a person who rubs or chafes others. Synonyms for this term can include words such as irritator, agitator, ruffian, or even bully depending on the context of the situation. These words describe someone who engages in aggressive behavior towards another person, often causing discomfort or harm. Other similar phrases that could be used to describe this type of person might include antagonizer or provocateur, depending on their specific actions or motivations. Using these synonyms can help to convey a more nuanced understanding of the situation and the people involved.