Merriam-Webster Collegiate Dictionary - chamberlain

 noun  Etymology: Middle English, from Anglo-French chamberlein, of Germanic origin; akin to Old High German chamarling ~, from chamara chamber, from Late Latin camera  Date: 13th century  1. an attendant on a sovereign or lord in his bedchamber  2.  a. a chief officer in the household of a king or nobleman  b. treasurer  3. an often honorary papal attendant; specifically a priest having a rank of honor below domestic prelate CHAMBERLAIN  I. biographical name Joseph 1836-1914 & his sons Sir (Joseph) Austen 1863-1937 & (Arthur) Neville 1869-1940 British statesmen  II. biographical name Wilton Norman 1936-1999 American basketball player