What do you call a person who cleans houses?

Where the tip to a waiter is considered as an insult? What is the origin of the word meeting? What is the French phrase 'Au revoir' in English? Is it ok to have the same shoes as someone else you know? What do people do when they receive a package deliver to wrong address? Who are the woman that like to introduce their finger in the men bottom? What is correct etiquite when meeting a quadriplegic? What does it mean to get his hands dirty? What does j'ai DES Amis mean? Does a semi formal letter have a letter heading? What is the difference between saying see you and bye? What does mis amigos y yo mean? What does intreating mean? What does it mean when someone points? What do you say to a insulting person that keeps on insulting you? What is a variation on Bien fait? What does it mean to holla at someone? What is the origin of ma'me? Is mother-in-law a compound noun common noun or a proper noun? How do you introduce a judge to a group of people?