Hazinedar or Haznadar is a title in Ottoman Empire hierarchy. Depending on the suffix or prefix it had different meanings. The English language translation of the word is a treasurer.
The chief hazinedar headed the personnel of the sultan's treasury. Hazinedars subordinated to the chief hazinedar had a title of hazinedar kalfa. Kalfa is Turkish for 'apprentice'. Hazinedar agha was the title of the chief eunuch treasurer.
The high hazinedar or first hazinedar or hazinedar usta was a title for the housemistress of the sultan's palace, the most influential person after the prince. There were other hazinedars in the Ottoman hierarchy (the second, third...) who were subordinated to the first hazinedar, hence referred to as usta ('superintendent'). Only the first hazinedar could approach the sultan and other nobility, while the second, third and other hazinedars served the first hazenidar.
hazinedar-aga, (formerly) chief eunuch treasurer; treasurer of a grandee.
The head of them had the title of hazinedar usta. Only hazinedar usta could sit near the Sultan and the other ones, the second hazinedar and the third hazinedar, served him.