Patron of judges, lawyers, notaries, clerks, children, pupils, virgins, travelers, pilgrims, ferrymen, boatmen, sailors, fishermen, merchants, pharmacists, perfume manufacturers and traders, millers, grain and seed traders, butchers, weavers, linen weavers, lace - and cloth dealers, button makers, quarry workers, stone masons, beer brewers, schnapps distillers, wine dealers, innkeepers; for happy marriage,, release of prisoners, recovery of stolen things; Water hazards, distress, thieves.
Nicholas is depicted in episcopal regalia with a vat with three boys, coins, bread or apples.
His feast day is December 6th.
