foot in both camps
a foot in both camps
Some involvement with or support for two opposing sides. When my friends split up, I felt like I had a foot in both camps. I've worked with both teams, and I think they both have good ideas, so to be honest I have a foot in both camps.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
*foot in both camps
Fig. an interest in or to support each of two opposing groups of people. (*Typically: get ~; have ~; give someone ~.) The shop steward had been promised a promotion and so had a foot in both camps during the strike—workers and management. Mr. Smith has a foot in both camps in the parent-teacher dispute. He teaches math, but he has a son at the school.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.