Noun, Suru verb, Transitive verb
1. guarantee; security; assurance; pledge; warranty
Wikipedia definition
2. Co-signingThe act of co-signing involves a promise to pay another person's debt arising out of contract if that person fails to do so. Many realtors and landlords require a cosigner for college students, people with bad credit or people whose income is less than a certain, low multiple of the amount of rent. Other loans typically involving a cosigner are motor vehicle purchase, money loans and mortgages.
Read “Co-signing” on English Wikipedia
Read “保証” on Japanese Wikipedia
Read “Co-signing” on DBpedia
Other forms
保障 【ほしょう】


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