Even if the person is not asked for help, it means to take action and solve the problem in a short time. It signifies mediating for loved ones, helping married couples in their problems and trying to find a solution to every problem with a good heart. It also expresses the struggle of a person who is aware of his own sins and takes care not to make a mistake again, to bring himself to a much better place spiritually.
It means to support someone to cover their faults, by giving them advice to make up for the mistake they have made, or by paving the way for them. Sweeping and cleaning someone else's house in a dream means reaching the result in a longer term. Cleaning someone else's house by washing in a dream means offering more practical solutions, completing a job in a short time and knowing how to reach a goal in the shortest way.