Related Clues:

• Person unknown
• Foreigner, outsider
• Person in place or company to which he does not belong
• Unfamiliar person
• More unfamiliar
• Being from another world
• More unfamiliar or odd
• Foreign, very strange
• 'Weirder, odder (8)'
• More odd or unknown
• If you don't know where you are, go half way along the street and then cross it
• Not a national right, perhaps
• Half way along the street, cross if you don't know your way
• Perhaps it's right for one who is not a native
• If you don't know your way, half way along the street, cross there