Former Olympic champion Mo Farah revealed in an article published on Monday he was brought to Britain illegally under the name of another child to work as a domestic servant. Farah told the BBC that he was given the name Mohamed Farah by a woman who flew him to the UK from east African country Djibouti aged nine. The 39-year-old, whose father was killed in Somalia when he was four, said his real name is Hussein Abdi Kahin and claimed he was made to look after another family’s children in Britain. “The truth is I’m not who you think I am,” he said as part of a documentary to be aired on Wednesd…