S.C. Code Ann. § 22-9-80: Execution of process and return.

A constable shall faithfully and promptly:

(1) Execute all processes lawfully directed to him by competent authority; and

(2) Make return, on oath, to the person issuing the process, to be endorsed in writing on it, of his proceedings by virtue of it.

Every constable appointed by a magistrate shall be bound, when required, to execute every lawful order, judgment and determination of the magistrate or his court.