Cómo imprimir líneas de texto sin dividir la palabra dentro del ancho del texto

Question

¿Cómo imprimo la palabra VOLUNTARIO en una sola línea sin romper?

Aqui esta mi MWE

 \PassOptionsToPackage{svgnames,x11names}{xcolor}
 \documentclass[16pt,a4paper]{scrartcl}              %class
 \usepackage[landscape,left=2cm,right=2cm,top=2.5cm,bottom=1cm]{geometry} %for layout
 \usepackage{setspace} % for spacing between lines
 \usepackage{graphicx}         %for including images
 \usepackage{eso-pic}     %package for including background image
 \usepackage{color,tikz}
 \usepackage{wallpaper}
 \usepackage{ulem}
 \usepackage{anyfontsize}
 \usepackage{pdflscape}
 \usepackage{calligra}
 \usepackage[T1]{fontenc}
 \usepackage{niceframe}
 \usepackage[object=vectorian]{pgfornament}
 \usepackage{ragged2e}
 \usepackage{catechis} % Package for scripture
 \usepackage{ifthen}
 \newboolean{long}
 \usepackage{transparent,xstring}

 \usepackage{fancyhdr}
  \definecolor{ultramarine}{RGB}{19,28,59}

 \renewcommand{\headrulewidth}{0pt}

 \usetikzlibrary{shapes.geometric,calc}  
 \definecolor{a}{rgb}{0,0.08,0.45}

 \definecolor{red}{rgb}{0.5,0,0}
 \def\signature#1#2{\parbox[b]{1in}{\smash{#1}\vskip12pt}
 \hfill \parbox[t]{2.8in}{\shortstack{\vrule width 2.8in height 0.4pt\\\small#2}}}
 \def\sigskip{\vskip0.4in plus 0.1in}
         \def\beginskip{\vskip0.5875in plus 0.1in}





 \input Elzevier.fd
 \newcommand*\initfamily{\usefont{U}{Elzevier}{xl}{n}}

 \usepackage{fontspec}
 \newfontfamily{\lucida}{Lucida Calligraphy}
 \newfontfamily{\newroman}{Times New Roman}
 \newfontfamily{\maiandra}{Maiandra GD}
 \newfontfamily{\aafia}{Zengo}


 \newcommand\mybox[2][]{\tikz[overlay]\node[fill=blue!20,inner sep=8pt, anchor=text, rectangle, rounded corners=1mm,#1] {#2};\phantom{#2}}
 \definecolor{brinjal}{RGB}{116,1,113}
  \begin{document}
 % \pagecolor{blue!10}
 \pagenumbering{gobble}


 \pagestyle{plain}


 \vspace*{-26mm}


  \noindent

 \hspace*{0cm}\begin{minipage}[c]{10.0in}
 {\centering
 {
 \vspace*{0.2cm}
 \newroman\fontsize{30}{30}\selectfont\bfseries\color{white} ~~~~$\textbf{44}^{\textbf{\textrm{th}}}$ National Workshop on ABCD/DBCE \& FGDAER\\ 

     }}

 \end{minipage}

 \hspace*{-0.5cm}\begin{minipage}[l]{1.5in}
 \vspace*{0.6cm}
 \vspace*{-0.7cm}\hspace*{-10.4mm}\includegraphics[width=0.97\linewidth]{example-image-a}

 \end{minipage}
  \hfill 

 \vspace*{2.3cm} 
 \hspace*{0.0cm}\begin{minipage}[l]{2cm}

  \end{minipage}

 \hspace*{1.3cm}\begin{minipage}{21.7cm}
 \begin{center}\vspace*{0.3cm}

 \end{center}
 \end{minipage} \hfill~~~
 \begin{minipage}[r]{0.9in}
 \begin{tikzpicture}[remember picture,overlay]
 \node[anchor=south west,inner sep=0pt] at ($(current page.east)+(-5.0cm,5.6cm)$){\includegraphics[width=1.75\linewidth]{example-image-b}};  %here include right side image
 \end{tikzpicture}
 \end{minipage}
 \hfill

 \vspace{15mm}

 \hspace*{-0.2cm}\begin{minipage}[l]{25.0cm}

 {\doublespacing
 \lucida\noindent{This is to certify that~Mr./Ms./Dr./Prof. {{\textit{\color{red}\large\textbf{Biki Teron}}}}~~ has worked as \MakeUppercase{volunteer}~ in the ~\textbf{$\textit{34}^{\textrm{\textit{th}}}$ National Workshop on ABCD/EFGH \& Gahbsdfraew Devices} during 29 - 30 July, 2018 held at Abcdsa for Abcdtechnology, Dfghdj Institute of Technology Aghsdfar, Aaadk, Ppsdp.

 }}

 \end{minipage}


 \end{document}

Answer 1

Para evitar la separación de palabras de una palabra específica, envuélvala en \mbox{}:

\documentclass{scrartcl}

\begin{document}

\begin{minipage}[l]{13cm}
    This is to certify that~Mr./Ms./Dr./Prof. Biki Teron has worked as \mbox{\MakeUppercase{volunteer}} in the \textbf{$\textit{34}^{\textrm{\textit{th}}}$ National Workshop on ABCD/EFGH \& Gahbsdfraew Devices} during 29 - 30 July, 2018 held at Abcdsa for Abcdtechnology, Dfghdj Institute of Technology Aghsdfar, Aaadk, Ppsdp.
\end{minipage}

\end{document}