adopt, keep, etc. a high/low profile

keep a low profile

To avoid drawing attention, scrutiny, or observation to oneself. A: "I haven't seen you in a while—how are you?" B: "Oh, I'm fine, just keeping a low profile so I can finish my research by the deadline." It's hard for celebrities to keep a low profile when they go out in public.
See also: keep, low, profile
Farlex Dictionary of Idioms.

adopt, keep, etc. a ˌhigh/ˌlow ˈprofile

try/try not to attract other people’s interest, attention, etc: If I were you, I’d try and keep a low profile until she’s forgotten about the whole thing. In the run-up to the elections all three candidates maintained a high profile.
See also: high, low, profile
Farlex Partner Idioms Dictionary
See also:
  • for (one's) (own) sake
  • for sake
  • put (oneself) on the line
  • put yourself on the line
  • wash (one's) hands of (someone or something)
  • wash hands of
  • wash one's hands of
  • wash your hands of
  • wash your hands of somebody/something
  • wash your hands of something/someone