administrator administrator /ədˈmɪnɪˌstreɪtɝ/

noun

1. () Someone who administers a business  ( decision maker , administrator )
   someone who administers a business
     The school administrator worked diligently to ensure smooth operations and effective communication.
   The school administrator worked diligently to ensure smooth operations and effective communication.
   
2. () The party appointed by a probate court to distribute the estate of someone who dies without a will or without naming an executor  ( administrator )
   the party appointed by a probate court to distribute the estate of someone who dies without a will or without naming an executor
   
3. Someone who manages a government agency or department  ( administrator , executive )
   someone who manages a government agency or department