Possible Clues:

• Uninvited visitor
• Person who enters uninvited, perhaps a burglar
• Print rude remark about unwelcome guest
• Gatecrasher from pub say, tense and more violent
• I'd return to shift trespasser
• Little interest shown by less polite and unwelcome guest
• Faulkner's was in the dust
• Bit of ’elp given to comparatively unskilled burglar?
• I'd return going crazy finding burglar
• Uninvited person like burglar