世自在王仏 (Skt; Jpn Sejizaio-butsu)
The Buddha Lokeshvararaja (World Freedom King), under whom Amida Buddha, in a previous existence, carried out Buddhist practice.
Lokeśvararāja (लोकेश्वरराज) is the name of a Buddha according to the 2nd century Mahāprajñāpāramitāśāstra (chapter XV). Accordingly, “The Buddha Che tseu tsai wang (Lokeśvararāja) led the Bhikṣu Fa tsi (Dharmākara) in the ten directions and showed him the pure universes”
See; World Freedom King.
See also: Lokeshvara