It is highly unlikely that pears could cause constipation, and in fact they are likely to have the opposite effect. Due to the high amount of fiber that pears contain, they are sometimes used as a remedy for constipation.
An underwriter is a company or other entity that administers the public issuance and distribution of securities from a corporation or other issuing body.
Insurance underwriters typically work in an insurance company and must have strong accounting and statistical analysis skills. The underwriter may be asked to assess insurance companies' policy decisions that are outside the role or capability of field agents. They assess risk and either accept, reject, or modify potential policy applications.