1) Ghost of an unbaptised child 
A lutin (lytɛ̃) is a type of hobgoblin (an amusing goblin) in French folklore and fairy tales. Female lutins are called lutines. A lutin (varieties include the Nain Rouge or `red dwarf`) plays a similar role in the folklore of Normandy to house-spirits in England, Germany and Scandinavia. Lutin is generally translated into English as: brownie,.....
In Voodoo, a lutin is the ghost of an unbaptised child.