documentclass{article}
usepackage[tracking = true, letterspace = 250]{microtype}
usepackage{imfellEnglish}
    DeclareMicrotypeSet*[tracking]{imfellenglishsc}{font = */IMFELLEnglishSC-TLF/*/*/*}
    renewcommand*{bfseries}{scshape}
begin{document}
section{The first section}
textsc{Abcde}
end{document}