Crossword Clue:

one who wears a mask also MASKER

AnswerCrossword Clue
UMPOne who wears a mask every fourth game
UMPOne who works in a mask
SABUOne-named professional wrestling champion who often wears a kaffiyeh
AGEISTOne who may also be a gerontophobe
REFOne who wears stripes
GENOne who wears four stars: Abbr.
DOUBLEHEADEROne who wears more than one hat?