segregate 同 sequester

segregate- 分離;在...實行種族隔離, 有強制性= put sb / sth in a place away from the rest , isolate
eg: The two groups of fans must be segregated in the stadium.
必須把體育場中這兩部分球迷隔開

sequester- 使隔離;使隱退/使自己與他人分開 =keep sb/oneself away or apart from other ppl
eg: The old lady sequestered herself from all strangers.
那位老太太隱退起來不見任何陌生人。

sequester 是使隔離

segregate 是被隔離的