You may think of a hacker as some social reject sitting behind a computer screen with green numbers against a black background flying through a Terminal. That's the stereotype, which as usual is as far from the truth as ever could be. On the contrary, actually conversing with human beings is far from subjecting oneself to no contact.
One of the most useful and effective tools for hackers is Social Engineering; human manipulation. Essentially, it is getting a human psyche to get them to do what you want them to.