Umpire

14 clues
Referee
Arbiter
Fault caller
Strike caller
Decision maker
Diamond figure
Sports arbiter
Ballpark figure
Sports official
Tennis official
Gridiron official
One working at home
One facing the pitcher
One of four on a diamond
Similar answers:
Abump
Acarnameddesire
Achumpatoxford
Acirema
Ackackfire
Acqhire
Acquire
Acquireachoir
Acquired
Acquiredtaste
Acquires
Acquiretickettoride
Actordirector
Adeleastaire
Adire
Admire
Admired
Admirer
Admirers
Admires