beachkeeper noun2 •One whose job is to control access to and maintain a beach.The closer you get to Queens, the less happy local beachkeepers are going to be to see you. — 1978 •(disapproving) A soldier on a peacekeeping mission who spends a lot of time at the beach.Soldiers from both peacekeeping missions were referred to by locals as “beachkeepers” because of the time they spent at the beachfront bars in Freetown. — 2013 formsbeachkeepers