Politainer is a politician who is or was an entertainer; or a politician who makes extensive use of entertainment media, particularly during a campaign. 

政坛艺人指的是从事过演艺工作的政治人物，或者大量使用娱乐媒体的政治人物，特别是在竞选活动中。

This word is blend of politician and entertainer and it was dreamed up by David Schultz, a political science professor at Minnesota’s Hamline University. 

这个词结合了英文中“政治人物”和“演艺人士”两个词汇，是美国明尼苏达州哈姆莱大学的政治学教授大卫-舒尔茨创造出的。