Translation of "Keeper" in Spanish

He's a goal keeper.

Él es portero.

Example of what experts call a "gate-keeper state" sorry for the english word.

de libro de lo que expertos llaman un ìGATE-KEEPER STATEî. Perdonad por la palabrota en inglÈs

A furious elephant kicks out the fencing of his enclosure and sends the keeper flying.

Un elefante furioso da un coce fuerte a la cerca de su corral y deja su guarda volando por los aires.

He told the bookstore keeper that he would come there again to buy the book that afternoon.

Le dijo al encargado de la librería que vendría por la tarde para comprar el libro.

- And the Lord said to Cain: Where is thy brother Abel? And he answered: I know not: am I my brother's keeper?
- And the Lord said to Cain, "Where is Abel, your brother?" And he said, "I don't know. Am I my brother's keeper?"

Dios dijo a Caín: "¿Dónde está tu hermano Abel?" Contestó: "No sé. ¿Soy yo acaso el guardián de mi hermano?"

And the Lord said to Cain, "Where is Abel, your brother?" And he said, "I don't know. Am I my brother's keeper?"

Dios dijo a Caín: "¿Dónde está tu hermano Abel?" Contestó: "No sé. ¿Soy yo acaso el guardián de mi hermano?"