1. Sam Cheung Ho-sum is a Hong Kong politician, social activist, and former member of the Tuen Mun District Council for San Hui.

1. Sam Cheung Ho-sum is a Hong Kong politician, social activist, and former member of the Tuen Mun District Council for San Hui.
Since high school, Sam Cheung had a passion for songwriting, taking lessons from renowned lyricists Albert Leung and Chow Yiu-fai.
Sam Cheung originally planned to pursue a doctoral degree in the United States, but decided to stay in Hong Kong after the protests commenced in 2019.
Sam Cheung was among the numerous pro-democracy activists who ran in the 2019 District Council election.
Sam Cheung competed in the San Hui constituency under the banner "Unity of San Hui".
On 11 May 2021, Home Affairs Department confirmed that Sam Cheung has resigned from the job title.
In July 2020, Sam Cheung ran in the unofficial pro-democracy primaries for the 2020 Hong Kong legislative election within the New Territories West constituency.
Sam Cheung came in second by receiving 35,513 votes after Eddie Chu, while surpassing veteran democrats Andrew Wan and Kwok Ka-ki in fifth and sixth place respectively.
Sam Cheung earned one of the six nomination spots in the general election, along with third placer Wong Ji-yuet and fourth placer Ng Kin-wai.
On 6 January 2021, Sam Cheung was among 53 members of the pro-democratic camp who were arrested under the national security law, specifically its provision regarding alleged subversion.