1) to be an entrepreneur or partner is necessary that the person has legal capacity, ie is 18 years of age, be in full possession of his mental capacity is not bankrupt. this way, we can say that people between 16 and 18 years old can be entrepreneurs or partners:
Gafas de sol / Camiseta mean sin glasses and shirt
Just look up the book in spanish. type "Libro de piratas del caribe y el mapa secreto" on google and i'm sure the whole book will come up just gotta browse all the way to the 4th chapter.