A constable shall faithfully and promptly:

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

2. (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.