luchador
"A person who competes in lucha libre wrestling."
(— Oxford Languages dictionary.)
A 'Mexican'-themed wrestler. Usually wears a colorful 'full-face' wrestling mask. May also have other lucha libre accoutrements.
Currently (2021-07-02) this tag is also being used for American and Japanese masked wrestlers (tiger-masked ones, especially).
Note: A discussion on renaming/redefining or aliasing this tag may be required in the future.