A word in Indian source, meaning “Salt” in English. Mr. Gandhi began a new campaign in 1930 in India called the “Namak Satyagraha”. Mr. Gandhi and his followers set off on a 200-mile journey from Ashram Ahmedabad to the Arabian Ocean and pick up a few grains of salt. This action formed the symbolic focal point of a campaign of civil disobedience in which the state monopoly on salt was the first target.
Namak halal, means a very faithful person.
Namak haram, means a person you can't trust.
Chutki bhar namak dena, means "Give me a pinch of Salt".