Lese-majesty is a crime (as treason) committed against a sovereign power or an offence violating the dignity of a ruler as the representative of a sovereign power.
At the time of writing, article 112 of Thailand’s criminal code says anyone who “defames, insults or threatens the king, the queen, the heir-apparent or the regent” will be punished with up to 15 years in prison.
“Men will never be free until the last king is strangled with the entrails of the last priest.” – Denis Diderot
Let’s not neglect the lawyers —