Ahmed el Inglizi also Ahmed El Alj or Ahmed Laalaj ("Ahmed the Renegade"), was an English renegade

Turncoat

A turncoat is a person who shifts allegiance from one loyalty or ideal to another, betraying or deserting an original cause by switching to the opposing side or party...

 architect and engineer who worked for the Sultan of Morocco Mohammed ben Abdallah in the 18th century. As described by his surname "El Alj", Ahmed el Inglizi was a "renegade", i.e. he had abandoned Christianity

Christianity

Christianity is a monotheistic religion based on the life and teachings of Jesus as presented in canonical gospels and other New Testament writings...

 for Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

. He seems to have joined with the pirates known as the Salé Rovers

Salè Rovers

The Salé Rovers, also Sale Rovers or Salle Rovers, were a dreaded band of Barbary corsairs who eventually formed the Republic of Salé on the Moroccan coast. The most famous of the rovers was Jan Janszoon....

.

He is known for building parts of Essaouira

Essaouira

Mogador redirects here, for the hamlet in Surrey see Mogador, Surrey.Essaouira is a city in the western Moroccan economic region of Marrakech-Tensift-Al Haouz, on the Atlantic coast. Since the 16th century, the city has also been known by its Portuguese name of Mogador or Mogadore...

 (particularly the harbour entrance), after Frenchman Théodore Cornut

Théodore Cornut

Théodore Cornut, also Cornout, was a French mathematician and military architect of the 18th century, born in Avignon, who worked for the King of Morocco....

 had designed and built the city itself, particularly the Kasbah area, corresponding to the Royal quarters and the buildings for Christian merchants and diplomats.

Ahmed el Inglizi is also known to have worked for the King in Rabat

Rabat

Rabat , is the capital and third largest city of the Kingdom of Morocco with a population of approximately 650,000...

, where he restored the Kasbah

Kasbah

A kasbah or qassabah is a type of medina, Islamic city, or fortress .It was a place for the local leader to live and a defense when a city was under attack. A kasbah has high walls, usually without windows. Sometimes, they were built on hilltops so that they could be more easily defended...

 Mosque

Mosque

A mosque is a place of worship for followers of Islam. The word is likely to have entered the English language through French , from Portuguese , from Spanish , and from Berber , ultimately originating in — . The Arabic word masjid literally means a place of prostration...

, an old building dating to around 1150. He was also responsible for several of the fortifications built in Rabat.