1. Āpta (unimpeachable authority on Truth)-
Tīrthaṅkara (ford-founder) who is par excellence.
...jiṇā paraṃ natthi.
(ĀNi 66)
'para' śabda utkṛṣṭatāvācako'sti. dharmakṣetre tīrthaṅkarā utkṛṣṭāḥ vartante.
(ĀBhā 1.3)
2. A householder is debbed as the 'other', for he is relatively 'other' to (i.e., of different category from) the asetic (Muni).
parā gihatthā.
(NiBhā 432 Cū)