P.S. When a friendship quest is unlocked, the respective NPC would have a "heart" appeared on top of it.
Reach Lv. 32 and have at least 10 Fondness with Irine.
1. After talking to Tamer Lindsay (Saint's Haven), collect 10 Crude Onyx for Irine.
2. You can either collect it by running dungeons or simply purchase it in Marketplace. Once you bring Irine 10 Crude Onyx, she will give you a "Cultural Coordinator Perfume".
3. Return to Tamer Lindsay (Saint's Haven) to complete the quest.