A homeless, convicted sex offender has been terrorizing women in the East Village – and they’ve reached out to The Post for help. Fritz Marseille — who spent five months in jail last year for allegedly groping two women — hangs out between East 3rd Street and East 5th Street along Second Avenue, allegedly accosting women who ignore his advances, witnesses said. But he took his alleged misdeeds to another level when he lurked behind Kristen Booth last month and declared, “I’m going to f–king rape you,” the shaken digital artist told The Post this week. Booth, 49, who was...