Foot in both camps
Meaning
Support two opposing sides at once.
Usage
Used to describe someone straddling conflicting loyalties.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Political imagery of straddling two opposing armies or sides.
Used in diplomatic writing from the early twentieth century.