Reference for Kiddushin 55:5

ההוא שמותי משמתינן ליה דתניא הקורא לחבירו עבד יהא בנידוי ממזר סופג את הארבעים רשע יורד עמו לחייו

But he indeed is placed under the ban! For it was taught: If one calls his neighbour 'slave',<span class="x" onmousemove="('comment',' Probably as a result of his liaison with a heathen bondmaid.');">⁷</span> let him be placed under the ban; 'mamzer',.<span class="x" onmousemove="('comment',' Bastard; v. Glos.');">⁸</span>

Explore reference for Kiddushin 55:5. In-depth commentary and analysis from classical Jewish sources.