sequester

sequester /sɪˈkwɛstɚ/ verb
sequesters; sequestered; sequestering
sequester
/sɪˈkwɛstɚ/
verb
sequesters; sequestered; sequestering
Britannica Dictionary definition of SEQUESTER
[+ object]
1 
formal : to keep (a person or group) apart from other people
2 
law : to take (property) until a debt has been paid