n. 有争议财产的暂行保管人, 扣押令执行者

Sequestrator \Seq"ues*tra`tor\, n. [L., one that hinders or
impedes.] (Law)
(a) One who sequesters property, or takes the possession
of it for a time, to satisfy a demand out of its rents
or profits.
(b) One to whom the keeping of sequestered property is
committed.