Hot-headed entertainer's achievement: concealing anger with the queen (4-5)
I believe the answer is:
fire-eater
Can you help me to learn more?
(Other definitions for fire-eater that I've seen before include "One swallowing flames for a living" , "A hot-headed performer?" , "One whose lunch is very hot!" , "Entertainer on a diet of flames?" , "A belligerent flame-swallower?" .)