A formal promise by one party (the guarantor or surety) to another party (the creditor) to accept responsibility of a third party’s (the principal debtor) debt, if that third party cannot or refuses to pay it.

An order issued by the authorities to all the state ports to prohibit a person from entering or leaving a country according to a court or police order for the protection of individual interests in cases like child custody, debt failure, or criminal investigation. Travel ban prohibits the banned person from leaving the country and gets him/her arrested while entering if the reason(s) for prohibition did not cease to exist.