The Jīva (soul) which is going to remain in the Saṃsāra (labyrinth of transmigration in mundane existence) for a period of more than apārdhapudgalaparāvarta (a macro time-unit).
jesimavaḍḍhā poggalapariyaṭṭo sesao u saṃsāro. te sukkapakkhiyā khalu ahie puṇa kiṇhapakkhīā...
(Sthā 1.186 Vṛ Pa 29)