Wiktionary
n. (plural of gatekeeper English)
Wikipedia
Gatekeepers is a Singaporean Chinese language game show which aired in 2010 on MediaCorp Channel 8. The series aired on Tuesday nights at 8:00pm. Hosted by Guo Liang along with Dennis Chew (as "Aunty Lucy"), each episode features 36 Primary 5 and 6 students from a primary school who are challenged with the task of "defending" a cash prize of S$18,000 for their school.
The show was nominated for the Best Variety Show award at the Star Awards 2011.
Usage examples of "gatekeepers".
They raced in before the gatekeepers could raise the drawbridges, and thus burst past the first two barbicans.
But the gatekeepers didn't appear to be paying any special attention to him.
When the young men at the gate had informed Beau they were there, Beau told the gatekeepers to hold them back for fifteen minutes to give Beau a chance to walk out to where the driveway entered the trees.