Guru Hargobind Ji (Sixth Sikh Guru & Master of Miri-Piri)
Son of the martyred Guru Arjan, Guru Hargobind transformed the Sikh community by introducing the doctrine of Miri-Piri (temporal sovereignty and spiritual power), wearing two swords, raising the Akal Takht, and liberating fifty-two kings from Gwalior Fort.