efficiency	when someone or something uses time and energy well, without wasting any
efficient	working or operating quickly and effectively in an organized way
jester	a man in the past whose job was to tell jokes and make people laugh
executioner	someone whose job is to execute criminals
smith	someone who makes things out of metal, especially by heating and hammering it to shape it
teleworking	the activity of working at home, while communicating with your office by telephone, fax or computer
futon	a mattress which is used on the floor or on a wooden frame