Rev. Leah Lewis has been a national karate champ, sports official, securities lawyer, children’s author, preacher and Highland Hills councilwoman. Now she’s a “solopreneur” at the MidTown Tech Hive, making documentaries, selling greeting cards and leading the Great Lakes African American Writers Conference through a business called Three Butterflies Entertainment and Press and a nonprofit called Little Lumpy’s Center for Educational Initiatives: Learning Literacy and Technology.