Foreign adjective – Being, relating to, or characteristic of a country other than one's own. Regular is an antonym for foreign in topics: experience, irrelevant. Nearby Word: foreigner
Numerous foreign "mercenaries" (in many cases, regular officers offered by foreign nations who decided that the survival of Qing government was preferable to chaos) were hired to lead Chinese armies, both of the national government and locally organized militias.
If you're lucky, it's somebody appropriate and even chosen by the full-time host (or, in some cases, a previous regular host or the presenter of a foreign iteration of the show).
With its regular armies (based on the Banner system) in a state of near total disarray, the Chinese government (especially enterprising local officials) formed militias from local populations, armed them with foreign guns, and hired foreign instructors to train them.