Guru

Guru is a Earth Badge on Khan Academy. You obtain the badge when you post 10 answers that earn 3+ votes or more. But in order to get it you must have good answers (not the badge). This is a badge obtainable by User account who age 13+. The child account (12 or less can not vote.) However they can create new account and make it

You can get this badge if you post good quality answers.