2. (particle) Used with kinship terms to show relationships - variation of hei.
Hai pāpā ia ki a ia a Te Whaaki (HP 1991:8). / Te Whaaki is an uncle to him.
3. (particle) for, to, as, as a means of - denoting future purpose, intention, etc. In this usage hai is followed by active verbs that take both indirect and direct objects, but is not used with verbs in the passive or with statives.
Kāore hoki rā i tika ngā pao whaiāipo nei hai hīmene ki tōna atua (TP 9/1903:6). / And love ditties are not appropriate as hymns to his god.