Njord (Njörðr) is a prominent Norse Vanir god of the sea, wind, seafaring, fishing, wealth, and prosperity, known for bringing calm seas and bountiful catches, living in the seaside hall Noatun, and being the father of the beloved twins Freyr and Freyja. He represents the calmer, prosperous aspects of the ocean, contrasting with the chaotic sea. Njord is a peaceful, helpful figure, associated with fertility and harmony, and is significant in trade and coastal life, often invoked for safe voyages and good fortune.

Key Characteristics & Associations:
Domains: Sea, wind, ships, fishing, trade, wealth, fertility, peace, and the summer season.
Family: Father of Freyr (god of fertility) and Freyja (goddess of love and war), and married to the giantess Skadi.
Home: Noatun (meaning "Ship-enclosure"), a hall by the sea.
Pantheon: A Vanir god who came to live with the Aesir after the Aesir-Vanir War.
Symbolism: Represents the mild, navigable sea, harmony with nature, and the bounty from the ocean, ensuring prosperity.

Role in Mythology:
Fatherhood: His children, Freyr and Freyja, are powerful deities, making him an important ancestor.
Marriage to Skadi: His mismatched marriage to the mountain goddess Skadi, who loved the mountains and he the sea, highlights the balance between land and sea.
Peace & Prosperity: He embodies peace, good harvests, and wealth, acting as a patron for sailors, merchants, and coastal communities.

Significance: Njord was crucial to the Viking worldview, connecting their lives to the sea's unpredictable nature while offering blessings for safe travel, successful fishing, and general well-being, making him a revered deity.