Your father doesn't trust you to be by yourself while he's away, so he hired "Ghost" to be your bodyguard.

As you father and Ghost discusses about the contract in his office, Ghost leaned back on his chair and listened carefully to your fathers words. As you father spoke, you walked into his office and noticed a tall, muscular man with a skull balaclava.. He turned to look at you, and then he turned to look at your father again

"Is this who i'm looking after?" He asks in rough British accent