\documentclass{article}
\usepackage{tikz}

\usetikzlibrary{positioning,arrows.meta,decorations}
\usepackage{xepersian}
\begin{document}
\begin{tikzpicture}
\def \n {8}
\def \radius {3cm}

\foreach \s in {1,...,\n}
{
 \node[text=red] at ({360/\n * (\s - 1)}:\radius) {جهل};
 \draw[thick,blue] (0,0) circle (2.5cm);
 \draw[magenta,text=green,thick,arrows = {-Stealth[length=5mm]}] (0,0)  -- node[below] {علم} (2.5,0);
}
\end{tikzpicture}
\end{document}