The Seelie and Unseelie courts form the nexus of fey society. To succeed in such a competitive political and social environment, a person needs persuasive skills and the ability to find out information. No one succeeds alone. A cadre of devoted followers provide essential contacts and support. They populate the fey courts, vying with each other for prestige, prominence, and the queens' favor.
Members of almost any class can meet the requirements. However, few pure clerics, sorcerers, or wizards will choose to sacrifice their magic studies to gain status at court. Sometimes a bard pursues advancement as a courtier. Rogues with a focus on social skills most easily transition to the prestige class.