Related Clues:

• Less tall and slim, one has room for nothing
• More dumpy one sitting down
• Illegal resident
• Quartets (anag.)
• More stout, in a smaller package, needed for unwanted guest
• Illegal occupant, short and stocky, they're regularly chasing
• One who can't stand being in another's house?
• Someone occupying property with no legal right
• He settles without recourse to law
• Unauthorised occupant
• Abandoned property dweller
• One occupies land or a building illegally
• Quartets (anag) — illegal occupant
• Quartets playing for uninvited resident
• Illegal resident is comparatively thick