What is the meaning of Sequester?

To separate from all external influence; to seclude; to withdraw.

To separate in order to store.

To set apart; to put aside; to remove; to separate from other things.

To prevent an ion in solution from behaving normally by forming a coordination compound

To temporarily remove (property) from the possession of its owner and hold it as security against legal claims.

To cause (one) to submit to the process of sequestration; to deprive (one) of one's estate, property, etc.

To remove (certain funds) automatically from a budget.

To seize and hold enemy property.

To withdraw; to retire.

To renounce (as a widow may) any concern with the estate of her husband.

sequestration; separation

A person with whom two or more contending parties deposit the subject matter of the controversy; one who mediates between two parties; a referee

A sequestrum.

depositary, trustee (someone to take care of property while in dispute)

agent of bribery, go-between

mediator

Source: wiktionary.org