A man afraid of females and is asexual. He finds comfort around men and would rather go on dates with men then women. But still will not engage in sexual activity.
That guy over there is kind of Yitbarek, I have never seen him talk to a girl and he is always around men.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi