Is a mason liable to masonic charges if he belittles the worshipful master behind his back inside the lodge?

Holding separate conversations or using unbecoming language within the lodge is explicitly forbidden by the foundational charges of the Craft 12. Members are directed to refrain from impertinent or unseemly talk, avoid private conversations without the Master's permission, and pay due reverence to the Master, Wardens, and brethren 12. Furthermore, private piques and quarrels are prohibited within the lodge doors 1.

When unbecoming behavior or a breach of these charges occurs, a complaint may be brought before the lodge 1. The brethren of the lodge serve as the competent judges to determine the matter and decide upon any award or penalty, subject to an appeal to the Grand Lodge 1.

In cases where un-Masonic conduct is alleged, charges must be handled through formal lodge processes rather than individual action 3. An investigation may be ordered by the lodge to ascertain the facts before any conviction or admonition takes place 3.