Hi! I've got codes for wonderful strangers, and I've even copy-pasted the relevant instructions!
(NOTE: One of the codes has been used, but I'm not sure which one it is. Please don't hesitate to try the next one on the list, if something goes amiss.)

U9PWEQDB
YJS5F4WX
7YJWSYDB

To redeem:

(Important: Enter the above code before you set up a subscription plan.)
1. Go to FFXIV Mog Station
2. Register a Square-Enix Account
3. Login and click on "Enter Recruitment Code"

Using the code you will receive:
• Friendship Circlet - Increases EXP earned by 20% when level 25 and below.
• Aetheryte Ticket x 99 - Players in possession of an aetheryte ticket when using Teleport will not incur a gil fee.
• Ballroom Etiquette - Fist Bump (/fistbump, /brofist emote)
• 10 Silver Chocobo Feathers - Trade to the Calamity Salvager NPC for special items.