Pseudo-Barnabas refers to the author of the Epistle of Barnabas

Epistle of Barnabas

The Epistle of Barnabas is a Greek epistle containing twenty-one chapters, preserved complete in the 4th century Codex Sinaiticus where it appears at the end of the New Testament...

 and is considered an Apostolic Father, but is not considered to be St. Barnabas by most modern scholars.

Epistle

The Epistle of Barnabas was written to recent Christian converts from paganism who were being taught by some Jewish Christians that the Mosaic Law was still in place. In the second part of the Epistle Pseudo-Barnabas refers to two paths, Light and Darkness, which are open for humankind to follow, and it is widely believed that this part of the Epistle was based upon the teachings of Didache

Didache

The Didache or The Teaching of the Twelve Apostles is a brief early Christian treatise, dated by most scholars to the late first or early 2nd century...

. It is thought by many that the Epistle originated in Alexandria

Alexandria

Alexandria is the second-largest city of Egypt, with a population of 4.1 million, extending about along the coast of the Mediterranean Sea in the north central part of the country; it is also the largest city lying directly on the Mediterranean coast. It is Egypt's largest seaport, serving...

, Egypt

Egypt

Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

.