I have a requirement with Easy Social. Please let me know what is the best way to achieve this using custom fileds.

Profile Type A : Registration Adds a Value (Unique) to Custom Field 1. Note: "Profile Type A" can only add these values during registration and should be unique.

Profile Type B: During Registration , User should be able to select the value from Custom Field 1 which was already in the list (which were populated during Profile Type A registrations). Profile Type should only be able to select