Pledge

맹세

maengse

(solemn promise)

보증

bojeung

(solemn promise)

서약

seoyak

(solemn promise)

질권

jilgwon

(delivery of personal property to secure the payment of a debt)

보증하다

bojeunghada

(to make a solemn promise)

서약하다

seoyakhada

(to make a solemn promise)