dog
bird hunting biting postman breeding chasing cats comforting elderly companionship companionship and protection company dog experiments entertaining people fetching sticks give comfort guard house guarding home guarding junkyard guarding piece of property guarding property helping blind person to navigate helping to control livestock herding sheep keep company keep watrm keeping company love pet playing protect belongings protecting livestock providing friendship safty scare away bad guy sniffing out drugs sniffing out explosives tracking animal tracking criminal watch house