this reffers to Lineage 2 - Hellbound update

1. Chamberlain is used for:

*Receive a Report (shows 7 signs status)
*Adjust and Confirm Tax Rates
*Manage Castle Vault (you can deposit only adena here)
*Manage Castle Functions (very similar to clan hall functions)
*Use Castle Functions
*View siege info
*Manage Manor
*Products (buy castle related products including Castle Agathions)

2. Mercenary manager is used for hiring NPC which can help you during siege

3. Court magician is used for:

*Move through the magic field (this is not working on l2j servers)
*Purchase magic related products (head accesory exclusive for every race)
*Apply magic to bracelet (buy bracelets up to A grade which can hold 3 talismans; bracelets can be bought but they do not work on l2j servers)
*Apply magic to T-shirt (buy shirts up to A grade)
*Gain talisman (this is not working on l2j servers)
*Learn special skills for low-ranking soldiers (this is not working on l2j servers)

4. Warehouse keeper is used for:

*Private warehouse
*Clan warehouse
*check honorary item (this is not working on l2j servers)

5. Blacksmith is used for manufacturing items with crops obtained by farming with manor system:

*Bsoe castle
*Bres
*crystals grade B,A and S
*DUALSWORD CRAFT STAMP
*greather haste potion
*greather swift action potion
*quick healing potion
*Enchants for armor and weapon grade D,C,B and A
*Giant's codex

6. Wyverin manager is used for mounting a Wyverin: you need a summoned strider and 25 crystals grade B