"Hare ka Sahara, Baba Shyam Hamara" you must have read these lines on various cars or billboards with a mark of Dhanush & 3 Arrows. This is the mark of Khatu Shyam Baba who was once known as Barbarik.
Barbarik was the only warrior in the legend of Mahabharat, who was invincible enough to be abetted by Lord Krishna himself, to commit suicide so that he can be prevented from engaging in the war. Barbarik was a symbol of equality, who was bound by his principle to always fight for the weaker side.
This episode of Holy Tales by Himanshu Sharma will tell you the story of Barbareek to Khatu Shyam Baba.
See omnystudio.com/listener for privacy information.