連帯保証人れんたいほしょうにんは本人ほんにんと同おなじ責任せきにんを負おう。
Rentaihoshounin wa honnin to onaji sekinin o ou.
A joint guarantor bears the same responsibility as the primary person.
兄あにに連帯保証人れんたいほしょうにんを頼たのみました。
Ani ni rentaihoshounin o tanomimashita.
I asked my brother to be my joint guarantor.