A little-known lawyer has stirred up a hornet’s nest by inviting couples to move in together before getting married, contradicting social and religious norms in a country known for long for its religious conservatism. Hani Sayed, a member of the Committee on Freedoms at the Bar Association — the independent guild of the nation’s lawyers — told a local television channel earlier this month that Egyptian laws do not prohibit premarital cohabitation. His remarks came in response to fury by the religious establishment, especially al-Azhar, the highest seat of Sunni Islamic learning, against revela…