Here are the list of skills and effect of Aides set on the Store Keeper duty.

Store Keeper	Unlockable skills*	Food Trading, Alcohol Trading, Archeology, Fiber Trading, Dyes Trading, Theology, Livestock Trading  Ore Trading, Biology, Weapons Trading, Merchandise Knowledge, Art, Provisions, Firearms Trading Medicine Trading, Spice Trading, Wares Trading, Accounts Latin, Hebrew, Ancient Egyptian language, Body language
	Cleaning	Prevents Unsanitary/Dirty Decks From Occuring
	Fire	Prevents Fire From Occurring
	Order goods	Prevents Collapse Of Cargo During A Storm
	Cats	Prevents Mice Infestation

* These are the common skill traits that an aide may unlock when set to this Duty and aide must have the skill actually unlockable and not randomly learned

also the skills will only provide a player with +1 to stats not having the skill will give 0 bonus