Lumi 
Is the illuminator and she brings things to light, including the truth. 
Lumi helps you find your voice and helps you find the courage to speak on the things that matter to you and helps you with your delivery of your message and with the wording that will be more easily received by your audience.
Lumi is a lie detector and shows when you are being lied to and she will also make those around you just feel like they have to tell you the truth. She helps bring compromise and win-win situations. Lumi is like your own mediator. Wear her to meetings and important conversations or dates.
Sit in meditation with Lumi and picture the situation that you need help with.  Lumi will communicate through synchronicities, knowings and a little voice or nudge. Pay attention to any messages coming in. Like seeing a billboard, or words in a book, or what someone says to you. 
Cleanse Lumi with running water. Set her in the sunshine and fresh air to cleanse and recharge her. Tuning forks or singing bowls are also great for her. You may sage or palo santo her also.