Thanks to Vellus of MT, Mage of Light - LC, MHulan de Shampoo of WE!

New Apprentices give rewards for crafted items. Each reward is on a separate 1 week timer.

Apprentice Fletcher tells you, "Hello! My master in Glenden Wood, Wils Morrem, has sent me out into the world to participate in the great Mission - encouraging the young people of Dereth to embrace a life of artistry!"
Apprentice Fletcher tells you, "If you bring me an example of your craftsmanship - say, a lightning arrowhead - I will reward you with a token of encouragement."
The apprentice coughs quietly.
Apprentice Fletcher tells you, "Um, we're not rich yet, though, so I'm afraid I can only reward you once a week."

You give Apprentice Fletcher Bundle of Lightning Arrowheads.
Apprentice Fletcher tells you, "Excellent! Excellent! Look at that workmanship! Good job!"
Apprentice Fletcher gives you Trade Note (1,000).
You've earned 5,000 experience in your Fletching skill.

Apprentice Alchemists

-- Arwic Apprentice Alchemist (Concentrated Lightning Oil) - 33.4N, 56.8E
--Holtburg Apprentice Alchemist (Frost Infusion) - 42.1N, 33.8E
-- Lin Apprentice Alchemist (Concentrated Frost Oil) - 54.4S, 73.5E
--Shoushi Apprentice Alchemist (Acid Infusion) - 33.3S, 72.8E
--Yaraq Apprentice Alchemist (Lightning Infusion) - 21.6S, 1.6W
-- Zaikhal Apprentice Alchemist (Concentrated Bloodseeker Oil) - 13.9N, 0.1E

Apprentice Cooks

--Al-Arqas Apprentice Cook (Bowl of Mushroom Noodle) - 31.1S, 13.9E
-- Glenden Wood  Apprentice Cook (Hot Kimchi) - 29.6N, 27.2E
--Lytelthorpe Apprentice Cook (Bowl of Chicken Noodle) - 0.7N, 51.2E
--Nanto Apprentice Cook (Bowl of Fish Noodle) - 52.5S, 82.0E
-- Tou Tou Apprentice Cook (Flaming Kimchi) - 28.0S, 95.5E
-- Uziz Apprentice Cook (Spiced Apple Pie) - 25.7S, 28.3E

Apprentice Fletchers

-- Eastham Apprentice Fletcher (Bundle Greater Frost Arrowheads) - 17.3N, 63.2E
-- Khayyaban Apprentice Fletcher (Bundle of Greater Acid Arrowheads) - 47.1S, 24.7E
--Rithwic Apprentice Fletcher (Frost Arrowheads) - 10.4N, 58.2E
--Samur Apprentice Fletcher (Bundle of Lightning Arrowheads) - 2.9S, 19.6E
-- Sawato Apprentice Fletcher (Greater Lightning Arrowhead) - 28.6S, 59.4E
--Yanshi Apprentice Fletcher (Bundle of Acid Arrowheads) -10.4S, 46.4E
 

If you don't have the appropriate skill trained, you can still receive a Trade Note. Thanks to Garbage Carrier of WE for the update!

You give Apprentice Cook Fish Noodle.
Apprentice Cook tells you, "Excellent! Excellent! Look at that workmanship! Good job!"
Apprentice Cook gives you Trade Note (1,000).
You must have the Cooking skill trained to receive this reward.