Kundal means spiral or coil. In Kundalini Yoga, it means coiled or dormant power, so Kundalini means ‘She who is coiled; serpent power.’ She is the Shakti within’ who has recorded all your aspirations even before you were born. She wants to rise and give you a second birth called awareness. She cannot be shared with anyone else. She is your reflection of microcosmic Adi Shakti. So you are also part of the whole creation which is Shiva, the Divine Father in union with Shakti the Divine Mother.
You are what you believe yourself to be. One may recognize the Divinity in themselves and all others. Kundalini yoga belongs to the Tantra traditions which teaches ways to relate to the universe in the form of Shakti or the feminine power or energy. This is the goddess within You; the inner manifestation of the Divine Mother. Hatha Yoga Pradipika explains that highest purpose of life is to be in yoga with God, achieve self-realization.
Not all are given to constant meditation, so Hatha yoga uses asanas and meditation techniques to purify the body and learn mind-control. Thus Kundalini and Hatha yoga overlap. In Tantric tradition, Kundalini is personified as Divine Mother Shakti or Kali or other Mother Goddesses. She is the feminine power, symbolized as a coiled serpent at the base of the spine, travels up the spine to unite with the masculine power Her Consort, Lord Shiva in the seventh chakra, shasrara. Shiva-Shakti yoga is basically this symbolism where the young Gauri crawls her way up to reach her future husband, Lord Shiva.
Yogi Ananda Saraswathi