A sage. Matsyapurāṇa (Matsyapurana) includes Agnijihva’s lineage among the lineages of sages that had descended from the great sage Aṅgirā (Angira). This means, sage Agnijihva was a member of the lineage of disciples descending from Aṅgirā. 

Matsyapurāṇa(196.43)