% arara: xelatex
\documentclass{article}
\usepackage[from={EB Garamond}]{stealcaps}
% or try
% \usepackage{stealcaps}
% \renewcaps{Cormorant SC}

\usepackage{titlesec}
  \titleformat{\section}
    {\scshape\normalsize\MakeLowercase}{\thesection}{1em}{}

\usepackage{lipsum}

\newcommand*\pkg{\textsc}

\title{Test file for the \pkg{stealcaps} package}
\author{Ruben Giannotti}
\date{\today}

\begin{document}
\maketitle

\section{Lorem ipsum}

\lipsum[3]
\end{document}