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An abhyasi is a spiritual seeker in the esoteric mystical traditions of Asia, notably Indian subcontinent. The word abhyasi means "one who practises" in Sanskrit.
Ram Chandra defined an abhyasi as an "aspirant", or "one who practices yoga in order to achieve union with God".
References
Chandra, Ram. Commentary on the Ten Maxims of Sahaj Marg. The Heartfulness Store. ISBN978-93-88095-61-7.