I've lived with a Saudi guy before, as his housemate, together
with my best friend.
Men from Saudi Arabia can be usually summed up in one word:
SLOBS.
Where they're from, its a woman's duty and job to maintain the
house. Cleanliness is a woman's duty, not a man's. Short from
asking his own mom/wife/sister to wipe his ass for him, Saudi men
are usually CLUELESS when it comes to living alone without his
mommy/wife/sister to clean up for him.
It's almost a plausible reason to accept it. But face it, this man
clearly doesn't know the difference between a broom and a feather
duster, so either you MOVE OUT and find another place to
stay...
Or clean up after this guy.
Of course. The one i lived with didn't leave fecal matter on his
toilet seat. Just alot of stray hairs and pee stains.
And yes, I moved out. 
