The promisor is naturally the individual who makes the promise, and the guardian generally refers to the parents. A letter of commitment means that the promisor fully agrees with the offeror's offer and expresses it in writing. In other words, the person who writes a written promise is the promisor. The guardian will be different according to the family situation of the ward. Generally speaking, parents are guardians of minor children. If a minor's parents die or have no guardian, the following qualified guardians shall serve as guardians in turn: grandparents and grandparents; Brother and sister; Other individuals or organizations are willing to act as guardians, but they must obtain the consent of the residents' committee, villagers' committee or civil affairs department in the place where the minors live.

Article 26 of the Civil Law of People's Republic of China (PRC) * * * Parents are guardians of minor children.

If a minor's parents are dead or have no guardian, the following qualified guardians shall serve as guardians in turn:

(1) grandparents, grandparents;

(2) brothers and sisters;

(three) other individuals or organizations are willing to act as guardians, but with the consent of the residents' committee, villagers' committee or civil affairs department of the minor's domicile.

Article 34 The duty of a guardian is to carry out civil legal acts on behalf of the ward and protect the personal rights, property rights and other legitimate rights and interests of the ward.

The right of guardians to perform their guardianship duties according to law is protected by law.

If a guardian fails to perform his guardianship duties or infringes upon the lawful rights and interests of the ward, he shall bear legal responsibility.

Due to emergencies such as emergencies, the guardian is temporarily unable to perform his guardianship duties and the life of the ward is neglected. The residents' committee, villagers' committee or civil affairs department of the ward's domicile shall arrange necessary temporary living care measures for the ward.

Article 35 A guardian shall perform his guardianship duties in accordance with the principle of being most beneficial to the ward. In addition to safeguarding the interests of the ward, the guardian shall not dispose of the ward's property.

When performing guardianship duties, guardians of minors should respect the true wishes of the ward according to the age and intellectual status of the ward when making decisions involving the interests of the ward.

When performing guardianship duties, adult guardians should respect the true wishes of the ward to the maximum extent, and guarantee and assist the ward to carry out civil legal acts that are suitable for his intellectual and mental health. The guardian shall not interfere with the affairs that the ward has the ability to handle independently.