Pamur is Murph's father. Pamur is not his real name, instead being a nickname because he is Murph's pa.
He is found at the Shiver Camp where he directs the research team living there. He gave Murph a gift. It turned out to have a shard from the Blue Gem, unknown to both of them and the gift's maker, Mrs. Winter.
He tasks the player with two quests. The first involves melting ice found in the Crysta Cave. The second one involves finding Murph who has gone off somewhere.