Linguistically speaking Hisba has two meanings: First: It may mean "a person who does a job without any salary but rather he asks his reward from Allah". Second it may mean to reject something. Conventionally or Juristically it means: "to advocate goodness and to prohabit harmness".
The present study falls into two parts: the first part deals with the principles of Hisbain the early period of Islam. The second part deals with activities whereby this reckoning were practiced.