Possible Clues:

• One who's 'out'
• Extra one who's "out"
• Extra guy who's 'out'
• Perhaps without, he's peculiarly a misfit
• Umpire? He was out at the cinema
• Strange chap who is often out?
• - - - - Out (film)
• He's often out
• The - - out: the person left out
• He's out