In ancient China, piercing in your left ear means that this person’s life is in danger and piercing in his ear can protect him from any mishap. For this reason in old ages, sailors had piercings in their ear so they can be protected from any blizzard in the sea and pirates used piercing in the ear for their protection.
Just so, what does wearing a left earring mean?
Dear Abby: According to an ancient Chinese belief, the wearing of an earring in the left ear symbolizes that that person`s life has been endangered, and to prevent a recurrence, an earring is worn. It is supposedly protection against bad luck.