scaramouch
/ˌskærəˈmuːʃ/; also /ˌskærəˈmɔʊʃ/ or /ˌskærəˈmʊʃ/Definitions
1. noun
a person who tricks or deceives others by pretending to be something else, often for amusement or entertainment
“The court jester was a scaramouch, pretending to be a nobleman to confuse the king’s advisors.”