The convict is Aminur Rahman, 42, son of Hanef of Ratanpur village in Kaliganj upazila of Satkhira. He used to work at the house of Ehsanul Haque Setu at Kharki of the district town as a caretaker.
Judge of the Women and Children Repression Prevention Tribunal–1 TM Musa handed down the verdict.
According to the prosecution, Aminur took the six girls to his employer's house at different times from January last and raped them.
A case was filed against him on May 1 last and police arrested him on May 4.