Merriam-Webster Collegiate Dictionary - attendant

 I. noun  Date: 15th century  1. one who attends another to perform a service; especially an employee who waits on customers  2. something that accompanies ; concomitant  3. attendee  II. adjective  Date: 15th century  1. accompanying, waiting upon, or following in order to perform service Cherub and Seraph…~ on their Lord — John Milton  2. accompanying or following as a consequence or result problems ~ on pollution civilization and its ~ morality — Robert Stone