The four groups of Buddhist disciples. See 四輩.

四輩弟子 (sì bèi dì zǐ) 　( “the four groups of Buddhist disciples, i.e. monks, nuns, laymen, and laywomen” ) Cf. 四輩(sì bèi) etc. ;

{not found at 《漢語大詞典》 3.598.} ; {not found at 《大漢和辞典》3.35.} ;

Dharmarakṣa: {114b27} 四輩弟子諷誦，學問，思佛功徳，發大道意，或得羅漢，或得縁覺(p)

{K.323.5-}

Kumārajīva: {not found at L.43b10} 

A Digital Edition of A Glossary of Dharmarakṣa translation of the Lotus Sutra by Seishi Karashima, 1998