nāna, the usual spelling of the sequence nā3(agentive preposition) and the personal pronoun -na3 (he, she). He/she (did it), in/from/for his/her agentive possession.
Nāna i ‘akakite mai kiāku.
It was he that told me;
E ‘oko koe i tēta‘i kai venevene nāna.
Buy him some sweets;
Nāna tēnā ko‘u kai.
That is his bag of food;
Tērā te va‘ine nāna te pēpe maki.
That is the woman whose baby is ill.